Leak-proof & Insulated:High-density insulation material and leak-proof liner inside of the insulated cooler backpack work together to make sure anti-leaking and keep food hot / cold for 16 hours. The interior lining is made of high quality material and easy to clean. You can drink cold beer,eat fresh snacks or fruit with friends or family anytime. Large capacity & Multiple Compartments: Leak-proof backpack cooler:19”x 13”x 9”(LxWxH). Main bag can hold up to 35 cans(32L). Maelstrom insulated backpack provides several pockets for handy storage and convenient organization. Spacious backpack packed with roomy zipper main compartment,1 top zipper pocket,1 front zipper pocket,1 front elastic rope net,1 front cutlery storage bag,2 mesh side pockets and a hidden back zipper pocket,1 shoulder strap card pocket. Ergonomic & Comfortable Design: Thicker padded back with ergonomic breathable design paired with adjustable,breathable and padded S shoulder straps help to reduce fatigue during a long day of trip. The backpack ice chest comes with a handle,which is labor-saving and durable. The adjustable chest buckle works perfectly to distribute the pack’s weight and keep it steady and centered. And chest buckle designed as a survival whistle for quick and easy use in case of emergency. Unique Function Design: Two condiment bottles can be placed on the top of the tableware storage bag for easy access. The shoulder strap has a stainless steel bottle opener for easy opening of beer and drinks. On the left side of the backpack,there are five webbing holes above the net bag,which can hang keys,water bottles and other tools. There is an adjustable buckle above the right mesh bag to hold the wine bottle perfectly. The shoulder strap has a stretch cord to hang the sunglasses. Versatile: Besides used as excellent soft cooler insulated leakproof bag,it is also a perfect lightweight gear for lunch backpack,hiking backpack,camping backpack,fishing backpack,travel backpack,hunting,trail,cycling and other outdoor activities. It is Suitable for both men and women.