This MIER stylish backpack will actually leave people wondering if it's a cooler or an actual backpack. The design is edgy and appealing to an outdoor enthusiast. It comes with thick insulation foam on the inside to ensure you get ice retention that lasts for hours. The material on the outside is a nylon/poly blend which is quite strong and durable. There are also plenty of extra features that make the bag worthwhile to have, total 7 multi-storage pockets including main leakproof insulated compartment. Our customers reported using this cooler for a wide variety of uses such as transporting frozen and refrigerated items from the store to home, on camping trips, beaching, party, workout and even fishing. <br><br>The MIER backpack cooler bag is a great choice if you need something practical that won’t slow you down. <br>The capacity and its stylish design combine well, especially if your main objective is to transport 20 cold beers to the beach.<br>Inside heat-welded seams prevent flexible liner leaks, you don't need to worry about leakage with this heated liner.<br>The best insulated backpack also takes your convenience and comfort into account. Thicker padded back with ergonomic breathable design making this backpack easier to put on and more comfortable to wear during transport.<br>Walkers can also benefit from 6 extra pocket spaces which comes in handy when you have a lot of gadgets you need to carry around.<br><br><b>Product Details:</b><br>Exterior size: 11.8L x 7.5W x 16.5H inch <br>Interior size: 12L x 7W x 13.4H (front of bag) - 15H (back of bag) inch<br>Capacity: 21 cans (355ml)<br>Weight: 1.87lbs<br>Color: Black, Green, Red<br>Made of tear resistant polyester which is super durable<br>Heavy-duty "MIER" zippers for longer durability<br>Super large u-shaped zipper opening for easy access <br>Daisy chain on the backpack exterior for various accessory