Enclosed message board is made with a heavy duty trim and locking doors to protect items on display and prevent tampering. Hinged doors have shatter-resistant clear acrylic panels. Frames offer a 2" internal depth. Rubber-Tak surface is made from recycled rubber that resists most chemical, stain- and odor- causing microbes, is easy to clean, and is sound and shock absorbent. Cabinet should be mounted beneath overhang or in semi-enclosed space. Board Width: 48 in; Board Height: 36 in; Board Depth: 3 in; Surface Material: Rubber.