Check the listing for details. 37x3mm PP Corner Protector White Metal Sheet Triangle , 30Pcs. Condition: New. Listed at 15.05 USD. PP Corner ProtectorDescription:★These are triangle shaped packaging edge protectors that are used in packaging sheets such as mirror, glass, ceramic, metal to protect corner from crushing, deformation and breakage.★Just place the protectors in the corner of your sheets.The thickness of the product should be equal to the inner width of the corner protector.★This is made of plastic, through the machine stamping once time forming, has a good toughness, not easy to break.★Material: PP Plastic; External Length x Width: 37mm x 37mm / 1.46" x 1.46"; Internal Thickness: 3mm / 0.12"; Thickness: 1mm / 0.04 inch; Color: White; In the package of: 30 pieces.★Only suit for the product that thickness than 3 mm. Less than 3 mm will slide down easily.