Packing for a camping or boating trip? Use the Engel 50 DeepBlue 12 gal High Performance Cooler. Its lid, sides and bottom are all insulated to preserve ice for up to 10 days at a time. The cooler features Quadra-Grip tie-down points and a security cable to help prevent theft, and in case any curious bears come to your campsite, the cooler is IGBC certified with DuoLock security holes. Safe for dry ice.