Self Adhesive Foam Spacer/Picture Frame Bumper - Simple inert black foam spacer or bumper - strong self adhesive simply stick on the corners of your picture, panel, mirror or board to help hang level and flat on the wall. 

Self Adhesive Foam Spacer/Picture Frame Bumper in a pack of 12

Self Adhesive Foam Spacer/Picture Frame Bumper - each measures 20mm x 20mm x 10mm deep. Ideal to use with pictures, mirrors, canvas, blackboards and signage.