Donix Cooler Backpack is a smart camping companion for branding your business. Made of waterproof Oxford fabric and EVA, this backpack keeps your food and drinks fresh and cool for up to 5 hours. Comes with a main pocket, front zipper pocket and side pockets. The shoulder straps have a portable bottle opener convenient for outdoor use. Double layered design for organized storage, with upper layer to hold lunch boxes and lower layer that can hold about 16 cans of 11 oz. beverages. Suitable for family gatherings, outdoor picnics, road trips, etc.