After use,the rinse cup base can be magnetically snapped onto the designed ledge thus allowing excess water to drain and dry The back compartment behind the cup can be used to hold toothbrushes,toothpaste,and other toiletries,with a slanted bottom and gap at the end,the toiletries can also drain and dry as is. Wash cup comes with an unique beveled edge that allows the toothbrush holder to easily slide and snap into the wall mount which in turn provides easy access for installation and removal as well as cleaning Material:plastic and magnet.