Inflatable River Rafts. Designed for Commercial Outfitter use the Venture Series features 1100 Denier PVC Coated Polyester base fabric, 4000 denier asymmetrically coated floor, an additional Full Wrap of 1100 Denier Polyester boat fabric up to the Rubstrake, Full Top Tube Chafe Strip and bottom Chafe Runners . . . all to withstand daily commercial use. Read what the professionals are saying.