Silicone Food Storage Bags Brands We Serve
Features of Silicone Food Storage Bags
- Leakproof Design for Sealed Food Storage
- Easy to Clean with Less Odor Retention
- Eco-Friendly and Reusable for Daily Use
- Food-Grade Silicone for Safe Food Contact
- Heat- and Cold-Resistant for Versatile Use
- Flexible Color and Structure Customization
- Stable Production for Consistent Bulk Quality
Custom Silicone Food Storage Bags Supplier
Legensilico silicone food storage bags are suitable for refrigeration, freezing, food portioning, and various other applications. Compared with disposable plastic bags, our reusable silicone food storage bags are ideal for long-term food storage with good sealing performance and a smooth surface that prevents food from sticking to the bag.
As a professional Chinese silicone products manufacturer with 20+ years of experience, Legensilico operates a 20,000 ㎡ manufacturing facility and 8 production lines, ensuring stable mass production capacity and lead time. We offer you factory-direct OEM/ODM services, covering private labeling, logo printing, custom packaging, and so on.
Based on advanced silicone molding technology and automated equipment, we allow you to flexibly customize silicone food storage bags’ size, color, capacity, sealing mechanism, and measurement markings. Partner with Legensilico, and you get reliable quality assurance.
Resealable silicone sealing structures are suitable for daily food portioning and storage. Single-track/double-track reclosable seal and a slider clasp design are available.
They are designed for frozen storage. We thickened the silicone bag body to enhance low-temperature resistance.
The base with an expandable gusseted bottom allows upright standing. It is convenient for you to fill with soups or other liquid foods.
They can be used with a vacuum valve or other evacuation mechanism to reduce residual oxygen and extend the shelf life of food.
Silicone bags made of platinum-cured food-grade silicone are suitable for sous-vide cooking. We support a customized structure according to your cooking equipment.
The small-capacity design (100 ml–350 ml) is suitable for portioning snacks such as nuts, cookies, and fruit slices.
The flexible silicone bags are convenient for squeezing out cream or frosting. You can use them for cake decorating and baking.
Bags with a large opening design and a drawstring securing strap prevent spills and are suitable for dough kneading and some marinated foods.
The silicone bag body has some small filtration holes, making it ideal for steeping and straining tea and spice infusions. We provide customized filter pore sizes.
They are made of medical/infant-grade silicone with dual sealing strips and wear-resistant graduation marks. You can equip it with a pouring spout and a breast pump connection port.
We design a foldable structure to meet the needs of travel and camping, supporting customization with hanging holes or handles.
The bag body is divided into multiple independent storage compartments by using internal partitions. You can use them to package different foods to reduce mixing and flavor transfer.
How We Turn Silicone Into Reliable Products
We support customized silicone products from mold design and material selection to mass production and final quality inspection.
- Manufacturing Process
- Specifications
| Technical Parameter | Specification & Technical Details |
| Material Standard | Food-Grade Silicone (Platinum-Cured LSR & Solid HCR options available); 100% Silicone constructions without plastic fillers |
| Safety & Compliance | Food Contact Compliance: FDA CFR 177.2600, German LFGB (BfR XV) Chemical & Environmental: EU REACH, RoHS, US California Prop 65 Material Safety: BPA-Free, Phthalate-Free, PVC-Free |
| Temperature Resistance | Approx. -40°C to 230°C (-40°F to 446°F), depending on specific material blend and product construction* |
| Capacity Options | 200 ml – 3500 ml (Standard: 200ml, 400ml, 500ml, 800ml, 1000ml, 1300ml, 1500ml, 2000ml, 3500ml); Custom sizes supported |
| Dimensions | 12 cm – 28 cm (L) × 10 cm – 25 cm (H); Stand-up base width: 4 cm – 10 cm (Model-dependent) |
| Wall Thickness | 2.0 mm – 4.0 mm, depending on model and structural reinforcement areas |
| Unit Weight | 70 g – 280 g / pc |
| Sealing Mechanism | Pinch-Press Seal, Slide-Lock Bar, or Integrated Silicone Zipper; leak-resistant designs available, subject to structure and pressure testing |
| Surface & Color | Clear / Frosted Finish; Full Pantone color matching available for OEM/ODM orders |
| Customization Services | Silk-Screen Printing, Laser Engraving, Embossed / Debossed Logo & Markings |
| Quality & Performance Assurance | Air/water tightness checks, drop impact tolerance, and thermal aging stability; Third-party test reports (SGS / TÜV / Intertek) available upon request |
| Applications & Usage Care | Freezer, Microwave, Dishwasher, and Sous Vide compatibility available for selected models; specific operational guidelines depend on final product design |
| Care & Storage | Wash before first use; dishwasher safe or hand wash with neutral detergent; dry completely prior to storage; avoid contact with sharp objects |
| Packaging Solutions | OPP Bag, Recyclable Color Box, Window Paper Box, or Blister Packaging with Head Card |
Advantages of Silicone Food Storage Bags
Temperature Versatility
The temperature range of Legensilico silicone storage bags for food is from -40°C to 230°C. You can not only use them for refrigeration and freezing, but also for microwave heating and dishwasher cleaning. Using a silicone bag finishes food storage and partial cooking, reducing the need to change containers.
Meanwhile, our one-piece molded bags or heat-resistant sliders solve the problems of seal failure and harmful substances released from some low-end plastic sealing strips.
Leakproof Performance
For liquid foods such as broths and sauces, sealing performance is important. Legensilico silicone storage bags with tongue-and-groove embedded sealing track and elastic interlocking structure ensure the bags’ secure closure to reduce leakage during storage and transport. The good sealing also reduces the air and moisture ingress, helping you extend shelf life.
Material Safety
Legensilico silicone food storage bags are made from 100% platinum-cured silicone without cheap fillers. When you repeat use or high-temperature heating, they exhibit good material stability. Unlike disposable plastic bags, our silicone bags don’t have common plastic additives such as BPA and phthalates. Besides, we can provide FDA, LFGB, and other relevant compliance documentation based on your target market.
Easy Maintenance
If the food storage bags tend to trap residue and are difficult to dry, consumers will stop using them and look for others. So, we design the smoother inner walls and a rounded internal cavity on the bag body to reduce accumulated food scraps in corners and edges. It is more convenient to wash by hand or in the dishwasher. You can repeatedly open and close our products due to silicone’s excellent flexibility and tear resistance.
Silicone Food Storage Bags Application
Home Kitchen Food Preservation
Our silicone food storage bags can be used for refrigeration/freezing, portioning meat and vegetables, moisture protection for dry goods, and so on. Based on our transparent LSR injection molding process, we recommend upright bags to utilize refrigerator space and distinguish ingredients inside clearly.
Cooking
If you want to use storage bags for sous-vide cooking or heating, it is recommended to choose food-grade silicone and confirm temperature testing results. Our tear-strength platinum silicone with an air pressure balance valve / detachable sealing strip ensures stable pressure resistance during vacuum evacuation or microwave heating, supporting capacity markings (cups/mL) to facilitate portion-controlled meal prep.
Baby Care
Breast milk storage and preparation of purees place high demands on material safety and sealing performance. We recommend medical-grade/high-purity liquid silicone rubber (LSR) without BPA and BPS. You can customize an integrated pouring spout to avoid contamination.
Commercial Dining and Outdoor Activities
Typical applications include standard food preparation and outdoor picnics. Choosing a durable food storage bag is important. We support an anti-detach silicone hanging loop and a metal carabiner to make it convenient to carry around. Surface anti-static coatings are available to prevent outdoor mud and sand from adhering.
How to Choose the Right Sealing and Bag Structure?
Flat vs. Stand-Up
The silicone food storage bags with a flat design take up less space during packaging and shipping, suitable for sliced foods (such as bacon and sliced bread) and portable products. They also facilitate the creation of multi-size combinations.
If your products are always placed in the refrigerator or on the kitchen counter, we recommend a vertical structure. Especially for large-volume or liquid foods, they are more suitable than flat bags.
Pinch-Press Seal vs. Slide-Lock Bar vs. Zipper
| Sealing Mechanism | Leakproof Performance | Ease of Use | Cost & Design | Sourcing Key Checkpoints |
| Pinch-Press Seal | Good; Relies on interlocking groove/ridge tracks | Medium; Requires manual pressing along the sealing track | Medium; Simple structure with no extra slider accessories | Seal track precision, leakproof testing, actual temperature range |
| Slide-Lock Bar | Good; the slider bar helps secure the bag opening | High; Fast opening and closing; intuitive operation | Medium–High; Involves additional slider components and assembly processes | Slider material, assembly tolerance, temperature range, closure stability |
| Silicone Zipper | Good; Suitable for daily leakproof and moisture-proof storage | High; User experience closely mirrors traditional ziplock bags | Medium–High; Requires high precision in zipper molding | Zipper molding precision, closure stability, leakproof testing |
For heating or sous-vide applications, we advise prioritizing an all-silicone sealing structure. If you prioritize rapid opening/closing and ease of operation, a slide-lock bar is suitable. If you wish to retain the user experience of a traditional zipper bag, the silicone zipper food storage bags are a suitable choice.
Single Compartment vs. Multi-Compartment
The single-compartment storage bags are classic and versatile. They are easier to control costs and are convenient for covering different capacities. The mold development cycle is short due to its simple structure, and mass production efficiency is high. You can start them with a base SKU, then expand the product line by size or color.
Multi-compartment silicone storage bags with 2 or 3 slots easily achieve separation of wet and dry items or segregation by category. Especially for student bento boxes and healthy fat-loss meals, the grid design provides distinct product differentiation. However, development and production costs increase due to a more complex internal structure.
How to Select Silicone Materials for Food Storage Bags?
Confirm the Compliance Requirements
Focus on FDA 21 CFR 177.2600 in the US market and the LFGB in the Germany/EU Market. We recommend verifying the raw material batch and test reports before placing an order.
Select LSR or HCR Based on Structure
Food storage bags with complex seals and thin-walled areas are suitable for LSR, which has a high degree of automation to control dimensional consistency. The primary molding methods of HCR include molding and extrusion. You can use it for thicker or relatively simple silicone food storage bags.
Note that the vulcanization system cannot determine whether the bag is odorless or safer. The final performance is also related to the material formulation, vulcanization process, post-treatment, etc.
Select the Hardness Based on the Bag Type
The hardness of silicone food storage bags typically ranges from Shore 40A to 70A.
- The bags made of low hardness (40-50A) are soft but have poor self-standing stability, suitable for flat bags and portable bags.
- Medium hardness (50A – 60A) balances flexibility and support. They are widely used in standard food storage bags.
- High-hardness silicone (60A – 70A) provides stronger support and better shape retention. You can use it to develop bags with a reinforced opening structure and large capacity.
Transparent vs. Matte vs. Colored Silicone
Food storage bags made of transparent or translucent silicone are convenient for observing the condition and type of food inside. We can provide a matte surface to reduce the visibility of fingerprints and minor scratches, and it is currently favored by brands in Europe and the US.
Colored silicone is better suited for your customized brand visual design. We advise you to verify that the colorants used comply with the food contact requirements (FDA/LFGB), ensuring that color doesn’t stain or fade when exposed to high temperatures or acidic ingredients.
Yes. In addition to food storage, you can use silicone bags to store small items, such as travel/personal care products, charging cables, headphones, etc. The sealed structure reduces the ingress of moisture and dust. As a silicone products manufacturer, Legensilico can help you develop specialized silicone bags and optimize structure and dimensions based on different applications.
We support MOQ flexibly. The specifics depend on your customization requirements and order quantity. For standard models with existing molds, the MOQ is typically 100–500 units. If you want to develop a brand-new structure and custom molds, the MOQ may be higher.
The lead time for samples typically is 3–5 working days, while mass production takes 10–20 working days. The specific delivery time will also be confirmed based on the mold, color, printing, and packaging.
Yes. We can combine silicone food storage bags of different capacities and sizes into a set such as 500 ml, 1000 ml, 1500 ml, and 2000 ml. The colors and logos in the set can be designed in a unified manner based on your brand requirements. Packaging options include combination color boxes, paper boxes, OPP bags, and more.
Set orders can help you reduce per-unit packaging and sourcing costs while providing a more extensive product assortment to meet diverse food storage needs. They are ideal for retail variety packs and promotional gift boxes.
To help us quickly evaluate your project, you can prepare the following key details:
| Quick Customization Checklist | ||
| No. | Customization Parameter | Key Specifications |
| 1 | Product Type & Size | Bag style (Flat/Stand-Up), dimensions, capacity (e.g., 500–1500 mL) |
| 2 | Sealing Structure | Pinch-press, slide-lock bar, silicone zipper, or custom closure |
| 3 | Material & Compliance | Material type (LSR/HCR), Shore A hardness, standards (FDA/LFGB) |
| 4 | Color & Branding | Pantone color, finish, Logo, scale marks, decoration method |
| 5 | Quantity & Packaging | Order quantity, set configurations, custom box/labeling specs |
Yes. We support screen printing, laser engraving, or embossing/debossing for the logo and capacity markings. If your products require frequent cleaning and withstand high temperatures, we will have finished product testing to confirm durability based on the actual operating temperature and cleaning method.
Compared with surface printing, embossing or debossing is an integral part of the bag. They extend marking durability without ink layer wear.
Legensilco’s quality control process (QMS) is end-to-end quality control from source to shipment. The pre-production sample and technical specifications confirmed with you serve as the basis for mass production. We will finish in-process quality control and first-piece inspection in mass production.
For key indicators like sealing performance and temperature resistance, we support customized test items. Silicone raw materials with a COA report are also incorporated into quality control.
