Description Our piano floor protectors are designed to safeguard your hardwood floors from the weight and movement of your piano. These non-slip piano caster cups are nice for upright pianos, ensuring stability and preventing any unwanted sliding. Features -Color:Transparent -Material:ABS -Size: 8.70X8.70X2.00cm/3.42X3.42X0.79in -Strong Material: made from ABS material, these piano caster cups are designed to last and provide excellent nonslip performance -Floor protection: effectively protects your floors from scratches caused by piano legs, extending the life of your flooring -Versatility: specifically designed for upright pianos, these caster cups are suitable for use on wood, tile, and carpeted floors -Easy installation: simple and convenient to install, place the caster cups under the piano legs for immediate protection -Noise reduction: the caster cups absorb vibrations and reduce noise without scratching hardwood floors, ensuring a quieter environmentPackage list: 4 x piano caster cups