Thank you for viewing! This is a set of silent O-rings (rubber dampers) for mechanical keyboards. By attaching them under the keycaps, you can reduce the "clack" sound when bottoming out, making your typing quieter. * Material: Silicone * Color: Clear (Transparent) * Size: Inner diameter approx. 5mm / Outer diameter approx. 8mm / Thickness approx. 1mm (Compatible with Cherry MX switches) * Quantity: 120 pieces * Compatibility: Cherry MX compatible switches --- 【Recommended Points】 * For remote work or late-night typing * Also effective in reducing typing fatigue * Easy to install! Just remove the keycaps and put them on If you have any questions, please ask in the comments. We look forward to your purchase.