Extreme Max 3006.7336 Dry BagsDry Tech duffel bags offer exceptional protection against water damage. They’re designed with a roll top for easier access and superior protection. Roll the top down to seal out water, or unroll it to access the main compartment. Poly/vinyl laminate construction with heavy-duty plastic hardware and electronically welded seams. The molded, semi-rigid base provides stability and structure for easy access and safer transport. Includes removable/adjustable shoulder strap. Designed to work for a variety of applications