The 4 Layer Insulation Design

**The 4 Layer Insulation Design Cooler Bag: Your Best Choice for Temperature Control**

When it comes to keeping your food and drinks at the perfect temperature, this cooler bag stands out with its innovative 4-layer insulation design. Each layer plays a crucial role in maintaining the temperature of your contents, ensuring they stay fresh, cold, or warm for extended periods.

**Waterproof Film**

The outermost layer of the cooler bag is made of waterproof film. This layer serves as a barrier against external moisture, such as rain, snow, or accidental spills. It ensures that the interior of the bag remains dry, protecting your food and drinks from any water damage. This is especially useful for outdoor activities where exposure to water is likely.

**High Density EPE Foam**

The second layer consists of high-density EPE (Expandable Polyethylene) foam. This material is renowned for its excellent thermal insulation properties. It effectively slows down the transfer of heat, helping to maintain the temperature inside the bag. Whether you're keeping your lunch cold or your food warm, the EPE foam ensures that the desired temperature is preserved for hours on end.

**Non-woven Fabric**

The third layer is made of non-woven fabric. This fabric provides additional insulation and helps to maintain the structural integrity of the bag. It also adds a layer of protection against wear and tear, ensuring that the bag remains durable and long-lasting. The non-woven fabric contributes to the overall strength and durability of the cooler bag.

**Food-Grade PEVA Material**

The innermost layer of the cooler bag is constructed from food-grade PEVA (Polyethylene Vinyl Acetate) material. This ensures that the surfaces coming into contact with your food are safe and non-toxic. The PEVA material is also resistant to odors and easy to clean, making it ideal for storing food items. It provides a hygienic and safe environment for your perishables.

**Why Choose This Cooler Bag?**

With its 4-layer insulation design, this cooler bag offers superior temperature control compared to conventional cooler bags. It can keep your contents cold, warm, or fresh for up to 16 hours, making it perfect for a variety of situations. Whether you're heading to work, school, a picnic, the beach, or on a camping trip, this bag ensures your food and drinks stay at the desired temperature.

The spacious interior of the bag allows you to comfortably fit a variety of items, from lunch boxes and snacks to beverage cans and bottles. The secure zipper closure keeps everything safely inside, while the comfortable handles or shoulder strap make it easy to carry wherever you go.

The durable construction of the bag ensures that it can withstand daily use and various weather conditions. The materials used are of high quality, providing both strength and longevity. The easy-to-clean interior makes maintenance simple, ensuring your bag remains hygienic and fresh.

In summary, this 4-layer insulation design cooler bag is an excellent choice for anyone who needs reliable temperature control for their food and drinks. Its combination of waterproof film, high-density EPE foam, non-woven fabric, and food-grade PEVA material ensures exceptional insulation performance. Whether you're using it for daily commutes, outdoor activities, or family outings, this cooler bag provides the convenience and reliability you need to enjoy your meals and drinks at their best.

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What are your main products?
We focus on cooler bags and other soft bags, including backpacks, duffel bags, waist bags, insulated delivery bags, tote bags, and drawstring bags of various styles....more