QUALITY MATERIAL:The towel hook is made of 304 stainless steel, not easy to rust, deform and fade, to ensure long-term use in the bathroom. Wide Use:Shower hooks can be used to hang clothes, towels, bathrobes, shower wipers, etc., saving space in the bathroom. PLEASE NOTE:Only for frameless glass shower doors up to 15/32 inches (12 mm) thick, not for framed shower doors. NO DRILLING:Easy to install, just fix the hooks on the shower door, no drilling or taping, save shower space.