Our advantage Made of heavy-duty PVC 1000 Denier, 1.2mm thickness, UV resistant and chemically resistant 2pcs 316 Stainless steel D-ring at both ends. Also comes along with 1pc 3meter rope and a valve spanner as compliments Easily inflated or deflated through professional valve. Flat foldable to be conveniently carried and stored Fine welded seams make them stronger and good-looking One-year