Nylon 3D End BagsHarmony's Nylon 3D End Bags provide lightweight, durable floatation for whitewater canoes. The 3D Vertical End Seam fills a variety of boats. Tie in points at each corner are separate from the air chamber. Nylon construction is tougher and lighter than Vinyl Mold inhibitors built in Shape fits in bow and stern of most canoes 4 tie in points for security Twist Valve and inflation hose for easy fill up High capacity dump valve deflates quickly Size