1. LARGE CAPACITY COOLERS: 30 Cans/30L. insulated cooler backpack is large enough to provide roomy capacity for all your necessities, such like meals, drinks, beer bottle, tall beverages, fruits, ice pack, snacks, cellphone and so on. Also the large cooler mesh side pockets can hold 4 bottles of wine.2. LEAK PROOF INSULATED BACKPACK: High-Density insulation thicken material and upgraded leak proof liner of the soft cooler backpack work together to retains drinks/food cold or hot for many hours and anti-leaking. The interior lining is made of excellent upgrade material and easy to clean.3. LIGHTWEIGHT & DURABLE: The waterproof backpack coolers are made of heavy duty durable fabric which will not rip, tear or scratch but also lightweight to carry. Padded and fully adjustable shoulders straps offer the maximum comfort and support.4. MULTIFUNCTION: This portable cooler backpack is suitable for both men and women. The insulated backpack is a perfect partner for outdoor activities, such as a travel backpack, beach cooler backpack, camping backpack, hiking backpack, picnic backpack, fishing bag and so on. Also it can be used as a lunch cooler bag.5. MULTIPLE POCKETS: 1 main roomy insulated leak proof storage compartment for drinks or food, 1 large zipper pocket in front for your dry items, and 1 zipper pocket on the lid used to organize small items, 2 plus large mesh side pockets which are perfect for wine or water bottle. 1 beer opener and 1 mesh pocket for phone on the strap. Perfect awesome backpack cooler