Aluminum. For living spaces. Louvers in door for air ventilation. Locker can be fitted with either left hand or right hand (shown) door swing. Doors lockable with padlock (padlock not included). Sub-base ordered as needed. Multiple unit sub-base to be used to maximum extent possible. 10" wide x 22" deep x 41" high. 15 lbs. Drawing 803-6397307. Please specify sub-base, door swing and powdercoat finish color. Ships in 16-20 weeks after receipt of order.