Surface-mounted. ADA compliant, opens with less than 5 lbs. of force, projects less than 4" from the wall when closed. Bacterial resistant high density polyethylene with steel to steel support hinges. Pneumatic gas shock mechanism opens and closes unit smoothly. Liner dispenser and purse, diaper bag hooks molded in. ADA compliant nylon buckle is adjustable with one hand. Unit complies with ASTM F2285 Standard that requires commercial diaper changing stations be able to support a static load of up to 250 lbs.