1.Scratch Resistant Ripstop/Nylon Surface + PU Coating + Zipper+ 8mm High-Density Foam Insulation + Leakproof Hot-pressing PEVA Liner 2.Keeps Drinks Cool for Up to 8 Hours: Comes with 12 self-absorbent ice packs, backpack cooler keeps your beverages and food at the perfect temperature throughout the day. The inside is made of non-toxic & harmless PEVA material and a thick layer of waterproof insulated foam, which will not spoil the taste of food. What's more, our ice packs are reusable that means you can not only save money, but also keep the contents inside fresh for 8 hours every time. 3.Hot & Cold Separation Design: Our cooler backpack with double decker is design for women. A bottom compartment for cold, fresh contents that can also house ice packs, and an upper compartment for warm, dry goods and lunch. We recommend storing hot and cold foods and drinks separately for better results. It is a must-have backpack cooler for women hiking! It can also be used as a diaper bag backpack to keep your drinks cold and keep your breast bottle warm! 4.Leak Proof & : Our waterproof cooler tote works effectively at keeping liquid contents at ideal temperature without leaking.The Eva liner combined with SBS waterproof zipper+ waterproof nylon+ PU coating, which means excellent waterproof effect, you can confidently take it to the beach.The upper layer design for hot, leak-proof 80%, the lower layer design for cold, leak-proof 1OO%.We recommend put the ice cubes and cold drinks on the lower layer to avoid getting your clothes wet. 5.LargeCapacity & Multiple Pockets: Measures 16.5 "x 13.8 "x 6.7 ", holds 36 cans of cola.The backpack cooler comes with 2 front pockets,1 top pocket, 2 side pockets and 1 anti-theft pocket to hold your phone, snacks and cutlery. 2 insulated compartments is big enough to pack beers, tall beverages, drinks, meals, vegetable, etc. Which is perfect for those romantic outings. Plus, we included a 3 in 1 function bottle opener that can open wine and beer, the perfect gift for your drinking buddies. 6.Stylish Appearance and Ideal Gift:Our Convertible insulated backpack can use it as a chic tote, a hands- backpack, making it super versatile! Arrive in style—back trolley sleeve for easily sliding over your luggage/suitcase handles, dual padded shoulder straps provide optimum comfort. With this fashionable back pack cooler, you will get a lot of compliments. Moreover, It's a great gift idea for women, perfect for lunch, picnic, work, travel, hiking, biking, park, beach, zoo and Disney. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia