A shelving system having a support member and a plurality of shelves slidably connected to the support member with a connection mechanism. The connection mechanism including a clamping mechanism moving between locked and unlocked positions, wherein in the locked position the shelf is locked to the support member and in the unlocked position the shelf can be adjusted linearly along and linearly perpendicularly to a longitudinal axis of the support member. The top of the support member includes a hinged clamp which can attach to a shower head pipe for hanging the shelving system, and the bottom of the support member includes a suction cup for further securing the shelving system to the surface of a wall.