?Material??The Suction Cup Hooks For Shower Are Made Of Thickened Pc + Tpu Material, Which Is Not Afraid Of Water And Does Not Rust. Stylish And Beautiful Appearance Design, Three Colors Can Be Selected At Will. | | ?Installation??No Need To Drill Holes, No Damage To The Wall. Just: Tear Off The Protective Sticker, Stick It On A Clean Smooth Surface, Rotate The Upper Cover To Discharge Air, Press Hard For 15 Seconds, And Let It Stand For 24 Hours To Achieve Maximum Bonding Strength. | | ?Reuse??These Adhesive Towel Hooks Can Be Disassembled, Installed And Used Repeatedly Without Leaving Traces. Just: Remove It, Clean The Bottom Suction Cup Of The Hook, And Dry It With A Hair Dryer Before Using It. | | ?Application Surface?? These Suction Cup Hooks Are Suitable For Smooth Hard Surfaces Such As Glass, Tile, Marble, Ceramics, Mirrors, Stainless Steel, Acrylic, Etc. Not Suitable For Any Rough Textured Surfaces That Are Not Smooth, Rough Surfaces Can Reduce Stickiness Or Damage Wa.