Safely secure your favorite towable to your boat using the Airhead(R) Tube Keeper This handy boat accessory saves essential passenger space and prevents serious injuries by securing you towable to the boat's stern. Featuring giant 3-1/4" suction cups and stretch cords for looping around a cleat or rail, you can enjoy a full day of fun out on the water and pull in your towable for safe and secure storage when you're done. FEATURES: 3-14" suction cups Attach the 2" wide straps around the handles of your towable Saves space and offers secure storage