Pack of 2 in original packaging This item hook behind the tank and hides behind the bowl fit toilet tanks with lid thickness of 1/2" or less and tank length of 15" or less. It is easy installation and fit on the right side of the toilet only. Simply lift off the tank lid, hang the caddy, put the lid back on and you are set. Compact space-saving design requires only 1/2" space behind the toilet, to tilt the handle to the side for easy access. Adjustable height options.