MaxHold No-Drilling/Suction Cup Double/Two Tier Corner Shower Caddy Organizer Basket - Vaccum System - Stainless Steel Never Rust - for Bathroom & Kitchen Storage MAXHOLD LOADING ABILITY - maximum loading is more than 30lbs. EASY INSTALLATION - no tools, no drilling, no screwing. Installation vedio link: https://www.youtube.com/watch?v=SLwdklBchKA MULTIFUNCTIONAL - in bathroom, in kitchen , in refrigerator and any smooth, non-porous surface. NEVER RUST - Real 18/8 Stainless Steel metal material and plating ABS plastic suction cup. REMOVABLE - reuse and no surface damage. Please check your wall style before choosing this product. Please contact us if the product still doesn't work as expected and we will help to solve it. All emails will be replied within 12 hours. STRONG LOADING ABILITY - maximum loading is more than 30lbs. EASY INSTALLATION-no tools, no drilling, no screwing. NEVER RUST-made of SUS304 stainless steel and plating ABS plastic suction cup. REMOVABLE-reuse and no surface damage. Sution cup works best on smooth and non-porous surfase -SMOOTH glazed tile / glass /steel/mirror/PVC surface/painting surface. Doesn&#039;t work on porous surfaces-concave(convex)/cambered/porous tile/rustic tile/mosaic tile/travertine tile/porous marble/concrete and lime wall surface. Clean-clean the mounting surface thoroughly. Press-press centreofthe rubber base to exhaust the internal air lightly. Position-position the metal part with the suction cup. Twist-twist the knob clockwise to lock until fully tight.