Our portable cooler bag follows you to any campsite you go The 21 qt large capacity allows you to store up to 30 cans of 300 ml beverages inside. Thicken interior structure is made of 840D TPU casing shell, NBR insulation cotton and PU lining. If you prefer carrying warm item such as chicken and beef, the bags are just made in such way, they will keep warm and remain the flavor and aroma within the food for a long time for you. As for refrigeration, we also won't let you down. Additionally, the zipper and the high-density TPU material ensures ultra water-resistant, your contents will not leak. Detachable shoulder strap allows you to easily adjust it so that you can comfortably carry without pain. Now! Take this cooler bag on your truck, your adventure is waiting. Color: Dark Grey.