16Pcs Suction Cup Anchor Securing Hook Tie Down,Camping Tarp As Car Side Awning, Pool Tarps Tents Securing Hook Universal Versatile Usage - perfect for tie down applications where there isn't an anchor point, cleat or other device to anchor conventional tie downs. Suitable for smooth - These do stick and hold wonderfully on a smooth (like a car or glass), however, any plastic suction cup not stick if there is any texture to the whatsoever. It's the nature of the beast. If air can get in, the suction not hold because it relies on creating a vacuum. Includes versatile wide gate spring hooks and attaches via heavy-duty webbing , These suction cups stick to smooth fiberglass surfaces like glass, boats, SUPs, cars Type: Pocket, Multi Tools colour:Black Material:plastic Package Contents: 16 x Suction cup hook Only 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.