The door seals against a foam rubber gasket and is held closed with two roller latches. The open door glides underneath the cabinet to maintain the cabinet's small footprint. Dimensions: 21 x 18 x 13cm (81/4 x 7 x 5") I.D. Door opening 19 x 11cm (71/2 x 43/8"). A jar of silica gel desiccant is included. Ideal for use with Scienceware® desiccant cartridges or canisters. Per each