About this item oxford Large Capacity: 30L version-Our cooler bag can hold up to 30 liters (7.9 gallons) by volume. You can take 24 cans (330ml) of your favorite drinks plus ice. The overall dimensions are approximately 16.1" (41cm) x 10.6" (27cm) x 11" (28cm). 20L version-Our cooler bag can hold up to 20 liters (5 gallons) by volume. You can take 27 cans(330ml) of your favorite drinks plus ice. The overall dimensions are approximately 14.9" (38cm) x 8.6" (22cm) x 9.4" (24cm). Thermal Insulated: The exterior of the cooler bag is constructed out of 600D oxford cloth, the lining is made of PEVA foil and insulation material which can keep food and drink cool or warm for more than 5 hours. Besides, the built-in 6mm EPE foam provides great protection to your containers, food and drinks. Multiple Pockets: Equipped with 1 wide top pocket, 2 side pockets, and 2 front pockets, the multiple pockets can meet the needs of storing different items. It can be used as your personal duffel bag. Designed with a padded handle and a detachable shoulder strap that offers 3 carrying styles, you can choose to carry by hand or carry with a shoulder strap. You can also put this bag on your suitcase for travel. Leakproof & Waterproof: Upgraded from traditional sewing construction, the lower section adopts hot pressing technology to connect the lining seamlessly, which is leakproof and easy to clean. Simply wipe it off with a damp cloth or napkin. Versatile Use: This beach cooler bag can be packed with lunch and a few ice packs for camping, picnic, beach, trips, and it can be placed in the trunk of your SUV as well. When you travel by airplane, you can fold it flat and pack it in your suitcase. What do you care about most? Insulated Material The outside of the cooler bag is made of 600D Oxford cloth, the inner lining is made of PEVA foil and insulated with a built-in 6mm EPE foam keeping your food warm and cold for 5 hours. Large Capacity Our cooler lunch box can hold up to 20 liters (27 cans) by volume. You can put cooked food, pasta and grilled wings etc. on the upper layer; put ice drinks on the lower layer to keep the food cool for a long time. Large Capacity Our cooler lunch box can hold up to 30 liters (48 cans) by volume. You can put cooked food, pasta and grilled wings etc. on the upper layer; put ice drinks on the lower layer to keep the food cool for a long time. Leakproof It adopts hot pressing technology to connect the lining seamlessly, makes it leakproof. Easy to Clean The inside lining is PEVA foil that is dirt and wear resistant, quite easy to clean up. Strong Zippers The strong two-way zippers make the lid can be opened up widely, easy to put in or take out food. Durable Handle Tough handles and shoulder girdle allows you to carry it easily in a comfortable way.