Portable Cooler Bag Leak-proof Insulated Water-resistant for Picnic Portable Cooler Bag Leak-proof Insulated Water-resistant for Picnic This 21 qt large capacity portable cooler allows you to store up to 30 cans of 300 ml beverages and ensure they stay icy cold for days. The thickened interior structure is made of an 840D TPU casing shell NBR insulation cotton and PU lining. If you’re looking to store warm food items the bag is designed such that the food will keep warm retain its fresh flavor and aroma. Additionally the zipper and high-density TPU material ensures ultra water-resistance and ensures there is no leaking. The detachable shoulder strap are easily adjustable to make sure you carry with comfort. Take this cooler bag on your next outing and adventure with ease comfort and convenience awaits! Don't hesitate to buy it! The cooler bag keeps warm for 48 - 72 hours or more and has good refrigeration 21QT capacity allows you to store up to 30 cans of 330 ml beverages Suitable for outdoor use hiking camping picnic BBQ and so on The premium three-layer food-grade material is water-resistant Shoulder strap is detachable and adjustable for effortless carrying Three comfortable ways to carry: hand carry arm carry and over-the-shoulder carry Fixed buckles on the bag to affix in the car More than just a cooler bag also functions as a floatation device Oval shaped design draws a smooth curve that looks elegant and fashionable