High quality hook, excellent adhesion to tiles, smooth lacquered wood, marble, glass, refrigerator. (We don't recommend sticking to the closet because the stickiness is high and will damage the paint when removing the sticky hooks). Before gluing the hooks, make sure the walls are clean and dry...for example, kitchen tiles must not be oiled or the hooks will not perform to their full potential. After applying the glue, wait 24 hours to use. Quietly supports up to 3kg when glued to tiles (eg kitchen, bathroom, etc.). You will receive a high quality hook in your home with good adhesion to tile, smooth lacquered wood, marble, glass, refrigerator.