MECCANIXITY PP Corner Protector Triangle 37x3mm for Ceramic, Glass, Metal Sheets White Pack of 30

What is this？ 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. What will I get? 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 Is there any advantages of the product? This is made of plastic, through the machine stamping once time forming, has a good toughness, not easy to break. How to use it ? Just place the protectors in the corner of your sheets. What should I notice ? Only suit for the product that thickness than 3 mm. Less than 3 mm will slide down easily.