HOMEE Heavy Duty Stainless Steel Seamless Hook Solid Glue With No Traces for Bathroom Kitchen Wall & Ceiling(4) Power: Up to 13.2lb per hook on wall & ceiling, No nail needed. Installation: Peel off the cover starting from the bulge, put the hook on smooth surface. Do make sure the basic of the hook contact with the wall totally. Environment: Wet & Dry; Oil & Dust protect; -10~60. Applied:Tiles/ Glass/ Wooden doors/ Sheet/ Metal/& other surface with fine lines lighter than 0.5mm.. Remove: Press and hold the prominent position of the basic to remove the hook slowly. No Traces will left.