Color:4-pack Towel Hook Features: Material: Stainless Steel. Back: Powerful self-adhesive Glue . Finish : Brushed SUS 304 Stainless Steel . Notice: Waiting for 24 hours before hanging anything to ensure that the product is firmly fixed and secured. 1Cleaning the installing surfacemust be smooth surface, like ceramic tile, metal surface ,glasses, etc. and dry it. 2Peel off the protective layer in the back and squeeze self-adhesion glue on the middle of the back, stick it on the wall. 3It takes a few seconds to press. Recommended to leave it on 24 hours before hanging any objects. Max loading:15lb . 4Adhesive bathroom hooks or kitchen hooks products ( Adhesive soap holder, towel bar or toilet paper holder) 5Attention: this hook is not suitable for wall paper or painted wall. If it is a new ceramic tile, wipe it clean with alcohol.