Global Product Type: Surface Protectors-Self-Adhesive Type: Surface Protectors Selling Unit: Pack Color(s): Crystal Clear Material(s): No-Slip Shape: Circular Diameter: 3/4 in Features: Prevent keyboards, desk accessories and electronic equipment from sliding. Protects surfaces. Circular pads are self-adhesive. Excellent for use on glass, metal, plastic, ceramic, wood or back of picture frames.