This 70's style acrylic wall clock features an awesome retro design on its face. Reminiscent of nostalgic 70's style. Each clock has a keyhole at the back for easy hanging on a wall. They're made from an acrylic material that looks like glass but is more durable and sturdy. .: Material: 100% acrylic .: Square size available (10.75''×10.75'') .: Requires one AA battery (NOT included) .: Includes keyhole hanging slot