ITEM NAME:Reusable Insulated Brown Cooler Sack Lunch Bag Magnetic Closure Paper Thermal Description 100% brand new & high quality Color:As the picture shows Size:20cm*11cm*25cm/6L Features: Du Bangzhi is also known as kraft paper, and the DuPont paper bag has the following characteristics: 1. DuPont paper is completely environmentally-friendly and dispelling material. After burning completely, only water vapor and carbon dioxide are left. 2. It can be folded at any time, easy to carry and light in weight. It can be waterproof, resistant to tear, and can be cleaned repeatedly. Aging resistance, high strength, no tear, waterproof and breathable. You can resist the light and keep the food fresh. 3. Adopt DuPont paper with completely environmental protection and heat preservation cotton interlayer. There are also environmentally friendly and high-quality 3mm cotton covered aluminum film bladder. 4. The product has the functions of heat preservation and cold preservation. It can keep fresh food locked and heat preservation. Product function: heat preservation, cooling Product uses: for work and school bags, supermarket shopping stall, picnic bags, milk preservation bags, etc. Material: The aluminum coating of DuPont paper +3mm cotton Package: .1 *Lunch bag.Du Bangzhi is also known as kraft paper, and the DuPont paper bag has the following characteristics Material: The aluminum coating of DuPont paper +3mm cotton. Color:As the picture shows. Aging resistance, high strength, no tear, waterproof and breathable.