[DURABLE MATERIAL ] Ribbed boat fenders for docking is made of high quality grade UV-resistant PVC, the marine ribbed Inflatable comes with ribbed on all sides for extra protection to enhance strength, increase friction, this boat prevent your boat from abrasion and collision in time.[FEATURES] This Inflatable ribbed boat fenders 4 pack feature great buffer effect, the twin eyes boat help to protect boats and from damage caused by collision between hard surfaces.especially when speeds into the shore or docking.[SCIENTIFIC DESIGN] Inflatable ribbed marine fenders eyelets is integrated with the body, and the two ends are reinforced with eyelet design, black boat 4 pack can be hung vertically or horizontally, easy to install and disassemble and help fenders attach to boat more firmly.[MULTI USAGE] The dock for boats recommended use to boat size around 20 ft yachts, sailing boats, boats etc.Material:PVCcolour:blackPackage Contents:4 x pack ribbed boat fenders(4.5x16 inch)4 x inflating needles4 x ropes(2M)1 x PumpOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.