?<strong>Features:</strong><br>Suitable for upright pianos. Protect your piano wheels or legs from sliding and rusting£¬ make your piano more stable.<br>Be delicately made of solid wood(beech wood) and EVA£¬ very durable.<br>The thickness of EVA anti-slip mat on the bottom is 3mm£¬ thick enough to provide good sound insulation£¬ shock absorption£¬ skid resistance and to protect your floors.<br>Excellent toughness£¬ with fine pressure endurance£¬ almost unbreakable.<br>4 pieces per box.<br><br><strong>Specifications:</strong><br>Color: <strong>Black£¬ Brown(Optional)</strong><br>Material: Beech wood &amp; EVA<br>Inside Diameter(concave part): 5cm / 1.97in<br>Outside Diameter: 10.4cm / 4.1in<br>Item Weight: 290g / 10.2oz<br>Package Size: 10.5 * 10.5 * 11cm / 4.1 * 4.1 * 4.3in<br>Package Weight: 327g / 11.5oz<br><br><strong>Package List:</strong><br>4 * Upright piano caster cup<br><br><strong>Note:</strong><br>Piano is not included.