The Waterproof Insulated Cooler Tote Bag
Adjustable padded shoulder straps
soft large cooler tote bag
Service Advantages:
1.Experienced QC team.
2.Top designer team.Free design
3.Quick response and fast delivery guaranteed
4.Different color and design to choice
5.OEM & ODM design are welcome
Item No.
OBL-24CB169
In today's fast-paced world, maintaining the quality and temperature of your food and drinks on the go has become a necessity rather than a luxury.
Whether you're heading out for a picnic, a day at the beach, a sports event, or a road trip, keeping your perishables fresh and your beverages at the perfect temperature is crucial.
The innovative cooler bag showcased in the images provided redefines the standards of insulation and functionality, offering a reliable solution for all your cooling and warming needs.
Understanding the 4-Layer Insulation Design
1、Waterproof Fabric (Outer Layer)
The outermost layer of the bag is made of waterproof fabric, a material chosen for its resilience and ability to repel moisture. This layer serves as the first line of defense against external elements such as rain, spills, or accidental splashes. Its waterproof nature ensures that the contents of the bag remain dry and protected, even in damp conditions. Additionally, this fabric is often durable and resistant to tearing or abrasion, contributing to the bag’s longevity.
2、High-Density EPE Foam (Insulation Layer)
Beneath the waterproof fabric lies a layer of high-density EPE (Expanded Polyethylene) foam. EPE foam is widely recognized for its excellent insulation properties, which help maintain consistent internal temperatures. This foam acts as a thermal barrier, slowing down the exchange of heat between the inside and outside environments. Its high-density composition ensures that the insulation remains effective for extended periods, even when the bag is moved or handled roughly.
3、Non-Woven Fabric (Internal Protective Layer)
The third layer consists of non-woven fabric, a material known for its softness and breathability. This layer serves a dual purpose. First, it provides an additional barrier against moisture and external contaminants. Second, its soft texture prevents damage to the contents of the bag, such as delicate food packaging or glass bottles. The non-woven fabric also enhances the bag’s overall structure, adding to its durability.
4、Food-Grade PEVA Material (Inner Lining)
The innermost layer of the bag is constructed from food-grade PEVA (Polyethylene Vinyl Acetate) material. This layer is in direct contact with the contents of the bag and is designed to be safe for food storage. PEVA is not only durable and resistant to moisture but also meets food safety standards, ensuring that your food and beverages are stored in a hygienic environment. Its smooth surface also makes it easy to clean, maintaining hygiene for repeated use.
The Science Behind Temperature Retention
1、Thermal Conductivity
The materials used in the bag, particularly the EPE foam, have low thermal conductivity. This means they slow down the flow of heat, preventing the exchange of warm air from outside and cold air from inside (or vice versa).
2、Air Trapping
EPE foam contains tiny air pockets that trap air, a poor conductor of heat. This trapped air acts as an insulating barrier, further reducing heat transfer.
3、Moisture Resistance
The waterproof outer layer and PEVA inner lining prevent moisture from seeping into the insulation layers. Moisture can compromise insulation efficiency, as water conducts heat more effectively than air.
4、Layered Protection
Each layer of the bag contributes to its overall insulation performance. The combination of materials creates a comprehensive barrier against temperature fluctuations.
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
