kitchen towel holder wreath hanger shower suction hooks glass shower door hook suction cup hooks loofah hook <br> Use Tips and Attention: This four hooks work only on non-porous,smooth surfaces such as polished ceramic tile, mirror, glass window,polished stainless still wall or plastic board etc. Won't work on any porous,bumpy,rough or textured surfaces such as rough coating surface, unpolished marble or wooden door,rugged porcelain surface etc.