Material And Design Car Suction Cups Are Made of Abs, Pvc And Metal Hooks. High-Strength D-Type Buckle, Durable And Wear-Resistant New Professional Pvc Suction Cup, Strong Suction, Resistance to Aging And Corrosion, Long Service Life, Can Be Used Repeatedly. . Easy to Use And Carry The Suction Cup Is Light, Small And Does Not Take Up Space. to Use, Simply Place The Suction Cup On A Smooth, Clean And Dry Vehicle Surface, Then Fold The Lever And You'Re Done, Then Twist The Handle to Lock Securely. . Wide Applications The Suction Cup Set Is Suitable for Threadless Connections Such As Awnings, Tents, Shade Sails, Etc. Also Attach Tents And Tarpaulins to Cars And Trucks for Easy Camping. It Is The Ideal Product for Any Camping Enthusiast. . Requirements Please Make Sure The Surface And Suction Cup Are Clean And Dry Before Use. Due to The Vacuum Design, You Can Only Use The Suction Cup On Glass, Car Surface, Mirror, Tile And Other Clean And Smooth Surface. Not Suitable for Uneven Surfaces Such As Patterned Tiles, Wallpaper, Wood, Etc. . Material And Design Car Suction Cups Are Made of Abs, Pvc And Metal Hooks. High-Strength D-Type Buckle, Durable And Wear-Resistant New Professional Pvc Suction Cup, Strong Suction, Resistance to Aging And Corrosion, Long Service Life, Can Be Used Repeatedly. .