PREMIUM CONSTRUCTIONS: Our cooler bag’s exterior is made of water-resistant 1680D Oxford fabric, which keeps the contents dry and clean. For excellent insulation, the inside lining was composed of food-grade PEVA foil and cushioned with 8mm EPE foam. LARGE CAPACITY: It is excellent for camping, hiking, BBQs, the beach, and other outdoor vacation activities since it is large enough to hold all the necessities for a family picnic while remaining compact. LEAK-PROOF LINING: Seamless lining created with hot-pressing technique provides leakproof function and optimum sealing, significantly improving the insulating effect. You can easily pour ice or put frozen food and drinks in. WELL-DESIGNED: Well-designed cooler bag as this bag features a wide opening for easy loading and unloading, has side pockets for storing snacks, sweets, napkins, and other small items. A double zipper, which improves sealing and decreases energy loss, and a bottle opener. PORTABILITY: It has a padded handle and a detachable shoulder strap that offers multiple carrying ways and allows for the effortless carrying of heavy things. It may also be folded flat for convenient storage. Product Dimensions: 20L - 35 x 23 x 25 cm 30L - 40 x 26.5 x 31cm 40L - 40 x 27 x 38 cm