This multi-pocket cooler backpack combined with a main compartment, a top mesh pocket, a front zipper pocket, 2 side mesh pockets, front elastic rope, 8 nylon strap holes, a bottle opener, an elastic strap on the shoulder strap, has 25L/6.6Gal capacity in total, able to hold up to 36Can(350ml), perfect to keep your beer, fruits and food cold/ hot/ fresh about 4-5 hours. The shoulder strap with mesh pads help to relieve shoulder pressure during outside activities. Perfect for hiking, camping, picnic, travel, etc.. Feature： Multi-Pockets & Spacious Backpack: Measures sizes in 11.8x7.48x16.54in, the cooler backpack is able to hold up to 36 Can(350ml). Constructed with a main compartment for fruits, cold beer and beverages, a front zipper pocket for your essential items, 2 side mesh pockets for water bottles and umbrella, and a top mesh pocket with insulated aluminum film for snacks and more.   Leak-Proof & Insulated Backpack: Made from 4 layer including 900D Polyester Surface, Sponge Layer, 210D Polyester Layer, PEVA Lining, able to make sure anti-leaking and keep food hot/cold /fresh for 4-5 hours. Easy to wipe clean with a damp cloth.   Convenient Insulated Cooler: The multifunctional insulated cooler backpack is also designed with front elastic rope to snap your towel or tissues, an bottle opener on the side to open a drink easily, 8 nylon strap holes on the front to clamp your items and an elastic strap on the shoulder strap to hang your glasses, providing convenient storage for all your needs.   Lightweight & Comfortable Backpack: Weighs 1.51lbs, lighter than others. Besides, the ergonomic and padded shoulder straps can effectively relieve shoulder pressure during journey, making the journey more comfortable. The shoulder straps can be adjusted from 17.72in to 31.5in, suitable for both man and women. Top handle strap allows you to carry it with one hand.   Versatile Usages: This insulated backpack is great to be used as a lunch backpack, hiking backpack, camping backpack, fishing backpack and travel backpack when going for outdoor activities like hunting, trail, cycling, etc.. Specification： Product Type: Cooler Backpack Color Available: Black Material: 900D Polyester Surface, Sponge Layer, 210D Polyester Layer, PEVA Lining Total Capacity: 25L/6.6Gal Main Compartment Capacity: 23L/6Gal Adjustable Shoulder Strap Length: 45cm-80cm/17.72in-31.5in Item Size: 30x19x42cm/11.8x7.48x16.54in Item Weight: 687g/1.51lbs Package Size: 40*20*11cm/15.75*7.87*4.33in Package Weight: 751g/1.66lbs Package Contents： 1 x Cooler Backpack Friendly Reminder:   We recommend to wipe with a damp cloth to clean and maintain.