Suction Cup Tie Downs are perfect for hundreds of tie down applications where there simply isn't an anchor point, cleat or other device to anchor conventional tie downs. Giant 3.25" suction cups with toggle ball ties stick to auto finishes, boat finishes, windows, and other hard surfaces. Great for boat covers, tarps, trunk lids, ropes, cords, fishing poles, flashlights, etc. Four pack, 6" ties stretch to 11:.