Material: metal; durable, reusable It can cause the piano side to fall slowly and not hurt the pianist. Universal type, suitable for piano, easy to install, will not damage the piano May cause the piano keyboard to slowly close the keyboard Strong adhesive tape secures it to the piano. A metal blade piano cover prevents scratches and protects the pianist from injury Features: Made of high quality materials, durable and reusable Protect your child's hands and prevent damage to the piano Easy to install without damaging the piano The band should keep their piano safe Is a warm gift for family and friends to be protected during piano performance Features: Material: zinc alloy Size: about 96mm*78mm Thickness: 20mm Color: black Package includes: 1 x piano pad