Affordura 6.5" Boat Fender 4 Pack Boat Bumpers Fenders with 4 Ropes, Boat Bumpers for Pontoon Boat Fenders Inflatable Well protection- Keeps your boat from getting scratched and damaged when tied up at the dock and around other boats. Reinforced molded eyelets support the boat bumpers fenders to hang vertically or horizontally, strong enough to withstands everyday usage but feel soft to show no signs of wear. Easily inflated- If you tired of boat bumpers marine that get flat or deflate, you'll be glad to find these have valves for inflation. You can be in charge of the pressure you desire, very handy to use and take only 35 seconds to inflate. Rule of size and quantity- A boat fenders inflatable should have 1 inch of diameter for every 4 to 5 foot of boat length. If you are going to be docking in harsh conditions such as an open lake prone to high winds, larger boat fenders is more recommended. Place one docking fender at every 10 foot of waterline, with a minimum of 3 fenders along one side. Easily storage- You can optionally deflate or inflate to storage all of parts in the bag, fit perfectly under seats or inside storage compartments.