Premium Materials: The exterior of the cooler bag is constructed from high density water-resistant dirt-proof Oxford fabric for durability and easy cleaning. The interior lining is made from PEVA foil for great thermal resistance.Large Capacity: The cooler bag is large enough to hold the essentials that a family needs for a picnic, while being not cumbersome. It is ideal for camping, hiking, BBQ, etc.Outer Pockets: The bag features a wide opening for easy loading and unloading. The bag also has a deep front pocket for putting candy, napkins, keys, and other small stuff .Portability: Designed with a handle and a shoulder strap that offers multiple carrying styles and allows for effortless carrying. It also can be folded flat for easy storage.Measurements: The cooler bags maximum capacity is 20.5 or 27L. Its overall dimensions are 14.2 x 7.3 x 12.2 inch or 36 x 18.5 x 31 cm or 14.2 x 7.8 x 14.9 inch or 36 x 20 x 38 cm.