These are made from extremely hard and strong non-toxic polycarbonate plastic.
The base is 8 1/8" High x 7" wide and 3/8" thick. The shit is 1 1/8" deep x 3" high x 4 1/2" wide.
A key hole is on the back, perfectly centered so it is easy to mount to the wall. 1 Mounting Screw is included.