Whether you?re spending the day at the beach, on the trail, or at a tailgate, the Coleman? 28-Can Soft Cooler Backpack?s extra foam insulation will keep food and drinks cold up to 42 hours. The convenient backpack design includes adjustable straps for customizable comfort when carrying a heavy load. No need to search for a bottle opener thanks to the integrated bottle opener on the front that is easily accessible and will never get misplaced. For easier cleaning, the antimicrobial-treated liner resists the forming of odors, mold, mildew, and fungus.