Oak & Olive Tandoor 4 Person picnic backpack has a large thermal foil insulated food compartment and 2 insulated, detachable, fully zippered for better insulating capabilities wine/beverage bottle carriers. The removable leak-proof liner holds ice or ice packs. The exterior shell is made with durable 600D polyester and features two soft padded adjustable shoulder straps. Perfect for Hiking, Outdoor Concerts and more!