Custom Reusable food-grade LDPE self-sealing bags
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  • Reusable food-grade LDPE self-sealing bags
  • Reusable food-grade LDPE self-sealing bags

Reusable food-grade LDPE self-sealing bags

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Product Details

This product is specially designed for household food preservation. Made with brand new food-grade LDPE virgin material, it is manufactured in strict accordance with GB 4806.7-2023 food safety standards. It is odorless, free of harmful volatile substances, and contains no BPA, plasticizers, or other harmful substances. All additives comply with the GB 9685-2016 positive list requirements. It can directly contact various foods without any hidden dangers, perfectly meeting the daily food preservation needs of families. Unlike ordinary non-food-grade PE bags, it ensures food hygiene and safety from the source. LDPE material is soft and highly flexible, easy to open and close, and easy to seal. The self-sealing strip design requires no additional sealing tools; a gentle press is all it takes for a secure seal. It can be repeatedly opened and closed more than 50 times, facilitating multiple accesses to the food inside. It also effectively isolates air, moisture, and odors, preventing food oxidation, dampness, and cross-contamination of flavors. Extend food shelf life—storing fruits and vegetables helps lock in moisture and prevents them from drying out; storing cooked food and leftovers prevents odor transfer and maintains freshness; storing snacks and dried goods protects them from moisture and insects, preventing spoilage. The highly transparent design allows for clear viewing of the type and freshness of the food inside, enabling quick identification without opening the packaging, facilitating inventory and retrieval in home storage, and enhancing ease of use.

It has a wide temperature resistance range and can be refrigerated and frozen (without cracking at -20℃), making it suitable for storing frozen foods such as meat and seafood; it can withstand washing with 80℃ warm water and oil stains. Stains and food residue can be easily wiped clean with warm water and dish soap, allowing for multiple reuses and significantly reducing household packaging costs while minimizing single-use plastic pollution, aligning with green living principles. The edges are finely polished, smooth and burr-free, preventing cuts and making it safer and more convenient for the elderly and children.

A full range of sizes are available: small sizes are suitable for storing snacks, nuts, sauce packets, and other small food items; medium sizes are suitable for storing fruits, vegetables, cooked food, and leftovers; large sizes are suitable for storing meat, seafood, and large snacks; and extra-large sizes are suitable for storing bedding, clothing, and other large items (can also be used as household storage), meeting the needs of different family scenarios. Custom sizes are supported, along with printing of food-grade logos and preservation tips (such as "refrigeration is best" and "store in an airtight container"), suitable for personal use, gift sets, and other occasions. Made of environmentally friendly and recyclable materials, with no harmful volatile substances, it is biodegradable after disposal, causing no environmental pollution. Balancing safety and environmental friendliness, it is widely used in homes, guesthouses, and postpartum care centers, perfectly solving the pain points of food preservation in households, such as cross-contamination of odors, moisture absorption, and difficulty in storage.

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Core Advantage Specification

Product Advantages

- Food-grade safe material: Made from brand-new food-grade LDPE virgin material, conforming to GB 4806.7-2023 food safety standards. Odorless, free of harmful volatile substances, BPA-free, and plasticizer-free, it is safe for direct food contact. Additives comply with GB 9685-2016 requirements, ensuring safety and eliminating potential hazards. Total migration and heavy metal content meet testing standards.

- Strong sealing and preservation: The self-sealing strip provides a secure seal, allowing for repeated opening and closing. It effectively isolates air, moisture, and odors, preventing food oxidation, dampness, and cross-contamination, extending shelf life and meeting various food preservation needs.

- Wide temperature adaptability: Withstands temperatures from -20℃ to 80℃, suitable for refrigeration and freezing, and can be washed with warm water. It does not crack at low temperatures or soften at high temperatures, and does not release harmful substances, making it suitable for household refrigeration, freezing, and reusable applications.

- Reusable: The smooth surface is easy to clean; food residue can be easily wiped clean. Reusable multiple times, it reduces household packaging costs and single-use plastic pollution, aligning with environmental protection principles.

- High Transparency & Visibility: The high-transparency design allows for clear viewing of the food inside, enabling identification and counting without unpacking, enhancing ease of use and facilitating the observation of food freshness.

- Complete Sizes + Flexible Customization: Available in 4 standard sizes, with customizable dimensions, zipper design, and the ability to print food-grade logos and preservation tips, adapting to various family scenarios and gift needs.

- Safe & Convenient: Smooth, burr-free edges prevent cuts, easy to open and close, easy for the elderly and children to use; produced in a dust-free workshop, free of impurities and air bubbles, meeting the sensory requirements for food contact materials.

Key Selling Points

Food-grade safety and odorless, self-sealing and reusable, airtight and prevents odor transfer, high transparency for easy identification, temperature resistant for refrigeration and freezing, complete and customizable sizes, environmentally friendly, economical, and safe. Focusing on "household food preservation, safety, convenience, environmental friendliness, and economy," it perfectly solves the pain points of household food preservation such as odor transfer, moisture absorption, difficulty in storage, and high costs. Adaptable to various household food preservation scenarios, it balances safety, practicality, and environmental friendliness, making it an essential daily food preservation product for families.

Application Scenarios

- Everyday Home Use: Preserving fruits and vegetables (greens, cucumbers, tomatoes, fruits, etc.); storing cooked foods (braised dishes, stir-fries, stews, etc.); sealing leftovers to prevent cross-contamination of odors and moisture absorption; storing snacks (nuts, potato chips, candies, etc.) and dried goods (red dates, goji berries, longan, etc.) to prevent moisture and insects.

- Refrigerator Storage: Freezing meat, seafood, and frozen foods (dumplings, glutinous rice balls, etc.) prevents them from cracking at low temperatures, seals prevent leakage, and avoids cross-contamination of odors within the refrigerator; sealing refrigerated foods (yogurt, cold dishes, etc.) to lock in freshness.

- Portable Storage: Carrying snacks, fruits, and lunchboxes outdoors; sealing prevents leakage, ensuring cleanliness and hygiene, and making them easy to carry; storing food during picnics and camping, preventing moisture and dust, and improving ease of use.

- Gift Packaging: Small food gift packaging (nuts, dried fruits, handmade snacks, etc.), customizable with logos and greetings to enhance the gift's quality while also keeping it fresh.

- Other household uses: Also serves as a small storage bag for jewelry, cosmetic samples, data cables, keys, and other small daily necessities; suitable for food preservation and small item storage in guesthouses, postpartum care centers, and nursing homes.

Food-grade LDPE self-sealing bags (suitable for home storage of fruits and vegetables, cooked food, snacks, and leftovers; direct contact with food, reusable)

Material

Brand new food-grade low-density polyethylene (LDPE) virgin material, odorless, free of harmful volatile substances, meets GB 4806.7-2023 food safety standards, direct contact with food, free of BPA, plasticizers, and other harmful substances; additives comply with the GB 9685-2016 positive list requirements.

Standard thickness

0.06mm-0.1mm (customizable thickness 0.1mm-0.15mm available for enhanced sealing)

Density

0.910-0.925g/cm³, soft material, excellent flexibility, easy to seal and open, meeting the convenience needs of food preservation.

Temperature range

-20℃ to 80℃. Suitable for refrigeration and freezing; will not crack at low temperatures; can withstand warm water washing; will not soften or release harmful substances at high temperatures, suitable for household refrigeration and freezing environments.

Sizes

Small (15cm×20cm), Medium (20cm×25cm), Large (25cm×30cm), Extra Large (30cm×40cm); custom sizes available. Supports self-sealing and zipper designs to meet the storage needs of different sized foods.

Surface characteristics

High transparency, smooth surface without burrs or impurities, allowing clear viewing of the food inside; normal color, no odor or impurities, meeting the sensory requirements for food contact materials.

Sealing method

Self-sealing strip (can be repeatedly opened and closed, ≥50 times), strong seal, moisture-proof, odor-proof, and leak-proof; no additional sealing tools required, suitable for convenient household use.

Process

One-piece blown film molding in a food-grade dust-free workshop, resulting in smooth, burr-free edges, no gaps, and no bubbles. Food-grade ink is used for printing; logos and preservation instructions can be customized. Meets food contact material processing standards.

Environmental Rating

Recyclable, no harmful volatile organic compounds, biodegradable after disposal (meets environmental standards), does not pollute the environment, aligns with green living concepts; total migration ≤10mg/dm², heavy metals (as Pb) ≤1mg/kg, meets food safety testing requirements.

About Us
Kunshan Paiteng Packaging Products Co., Ltd.
Kunshan Paiteng Packaging Products Co., Ltd.

The headquarters of Paiteng Company (Kunshan Paiteng Packaging Products Co., Ltd.) was established in 2015, and Paiteng Philippines was founded in 2017. Since its establishment, the company has set the grand goal of making the best packaging in the world and established its mission to achieve customer value. The company covers an area of over 8000 square meters and is located in Zhangpu Town, Kunshan, one of the top 100 counties. The company specializes in the research and production of packaging products such as vacuum forming, plastic bags, and die-cutting.

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