1. Our strong suction cups with hooks have stronger carrying capacity than most suction cup anchors on the market. It can carry up to 176 pounds.Made of PVC material, -duty suction base features ultra-high-strength suction for superior performance and load-bearing capacity 2. This vacuum suction cup hook is waterproof and moisture-proof. It can hold tents and complete tarps, home pendant accessories. It can be washed with water and used unlimited times. Suitable for smooth and clean surfaces, such as ceramic tile walls, glass, cars, etc 3. It is suitable for smooth and non-porous materials, such as ceramic tile, glass, automobiles, etc. This suction cup is perfect for car camping, car awnings, and tarps for cars and trucks. At the same time, it can be used as a pendant on smooth surfaces in your home, such as smooth and clean glass and tile, to hang , cups, and other objects 4. Meet your different needs. step: 1. Just place the suction cup anchor on a smooth and clean . 2. Fit the suction cup flat to force. 3. Pull back the red wrench on the suction cup. 4. Check whether the suction cup is firm. Note: After use, just pull the red button up to remove it, do not pull the suction cup directly Material: pvc colour: black Package Contents: 4 x Vacuum Suction Cups 8 x S-Shaped Hooks Only the above package content, other products are not included. Note: Light reflection 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.