【UPGRADE MATERIAL】- The material of this transparent bag is customized by environmentally-friendly and cold resistant, It is safe for your health and you don't worry it will crack in cold winter 【REINFORCED BASE】- Reinforced the material under bottom, improve the bottom corner of the book bag ripped apart problem 【STADIUM APPROVED CLEAR BACKPACK】-Made of heavy duty 0.5 mm Clear PVC，Transparent Backpack with Completely see through all around, including back 【GET THROUGH SECURITY HASSLE- FREE】-Take this amazing, see-through backpack to all your football matches, sports games, concerts, parties and festivals with peace of mind 【LARGE CAPACITY】-With a large main compartment, as well as a spacious front zipper pocket for easy access to your most frequently used accessories and two mesh side pockets perfect. Recommend for adults working using