Accidents happen, but you can help shield your boat from damage with BISupply 22.8 by 7.8-inch Boat Bumpers for Dock 4 Pack. This boat dock pads set has everything to set up your boat. 4 boat buoy bumpers, made of ribbed PVC matting, come with 2 ropes, 1 inflator to air up boat bumpers, and 2 sports needles for the pump. Avoid build-up of gunk on boat dock accessories as the PVC material makes them easy to clean so your boat is always looking fresh. Boat bumpers black set is easy to attach and 2 key areas to place them are at the widest part of the hull and at the stern of your boat. Place boat bumpers for pontoon black set slightly above surface of the water. Whether you guard your boat from docks, pilings, or other boats, boat buoys dock pads are there for you and your boat. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.