Odorless Pvc Material, Toxic Free, Suction Cup Hook Is Characterized By Excellent Quality, More Durable And More Environmentally Friendly, Which Can Have Good Water-Resistant Ability Powerful Suction & No Trace Will Not Leave Stains On The Wall/Glass, 70Mm Vacuum Suction Cup Is Larger Than Hooks On The Market, Gives You A Great Support, Provides Anti-Freezing Function, Avoid The Suction Cup Harden As The Temperature Changes Tool-Free InstallationUsing The Principle Of Vacuum, Installation Easily Without Damaging The Wall. Just Pull Down The Hook Pressing The Middle Of The Suction Cup To Release The Air. Attention: Hook Sticks Super Well To Smooth Non-Precious Surfaces, Not On Mosaic Or Lightly Textured Earthenware Surface, Make Sure Your Suitable Surface Before Purchasing Wide Use & ReusableHook Can Be Removed At Any Time Change Position After Washing The Suction Cup, Wipe The Wall Surface And Reinstall It, Perfect For Hanging Christmas Decoration/Bathroom And Kitchen Accessories Like Wreath, Door Sign, Bathrobe, Tea Towels, Squeegee Etc