I child proofed my home and they still get in! - Height: 5 1/4" (not including the ribbon) - Width: 8 1/2" - Thickness: 1/8" - Making it very light and easy to hang just about anywhere. - Paint: Acrylic paint with an eggshell finish. It can be cleaned with a damp cloth. - Material: MDF (medium density fiberboard) is made with pressed sawdust and is a sustainable forest product. - Lettering: Our lettering is printed with ink, it is not vinyl. - Packaging: Each sign is shipped in a clear cellophane bag with a hang tab (see photo in ad).