Vissla's smaller sized dry bag, the Seven Seas Dry Pack is assembled with durable polyvinyl waterproof fabric with welded seams. Perfect for a wetsuit, towel, boots, and a few other goodies. The top of the bag is designed to roll shut and securely clip with a nylon buckle to keep contents dry. Single nylon adjustable shoulder strap welded to main fabric and anchored to top of bag. This bag is tough.