Color: Natural Wood Features: Designed to be placed under the legs of the piano to protect the floor and carpet, metal and brass wheels from rusting or discoloration.The non-slip EVA pad on the bottom prevents the piano from sliding and plays the role of cushioning and shockproof sound insulation. Selected high-quality hardwood, no splicing, hand-polished natural wood grain beautiful atmosphere, exquisite and more durable.They can also be used as heavy duty wheelchair floor protectors and bed leg floor protectors. (If you will use as a chair/bed/sofa leg protector, please note the interior dimensions before purchase.)Note: The natural wood grain makes the grain and color of each piano caster cup slightly different, which is normal.Caster cups for upright pianos, 4 in a pack.Color: Natural woodSize. Bottom diameter 10.2 cm / Slot diameter 5.2 cmItem weight: 250 g / 8.81 oz (4 pieces)Package size: 10.5 * 10.5 * 10 cm / 4.1 * 4.1 * 3.9 inchesPackage weight: 300 grams / 10.58 ounces Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it