SELF ADHESIVE: The NEXCURIO heavy duty hooks with strong adhesiveness and water-proof.The maximum load-bearing 15 lbs without damaging to the wall. RUSTPROFF AND WATERPROOF: Made of Upgraded SUS-304 Brushed Stainless Steel, High Load-Bearing Capacity, Better Protect Against Corrosion & Rust. Ensuring Quality and Longevity. EASY TO INSTALL: just peel off the protective layer in the back and stick it on the desired position (must be smooth surface ,like ceramic tile, metal surface ,glasses, etc.). MUTIPURPOSE DESIGN: This wall hooks can also used to store daily household items. Such as cooking tools, umbrellas,towel, coat, robe, key,clothes,hat etc. WIDELY APPLICATION: This sticky hangers no need to punch,suit for different space (must be smooth surface ,like ceramic tile, metal surface ,glasses,wall,bathroom door, etc.)for your home/bathroom/living room/kitchen/office.KINDLY NOTED:Painted wall and rough surface are not advised