Features: Enjoy a noise without and slip proof workspaces with our quiet anti slip caster wheels, designed to reduce chair movement noise and enhances stability for a safe , quieter experience. Crafted from strong plastic, these general caster pads feature an anti slip surfaces and easy installation, fitting most computer chairs without tools for stable performances. Ideal for office workers, gamers, and home users seeking improved safety and comfort in their daily seating routines with computer chair accessories. Perfect for use in offices, homes, or on smooth floors to prevent accidental slides and maintain a focused, secure environment with anti slip furniture pads. Built for long lasting durability, these wear resistant pads secure your chair stays firmly in place, offering peace and consistent support over time. Specifications: Component : plastic Size: about 4.9x6.58x6.98x6.572cm/1.93x2.59x2.75x2.59inch Package Includes: 5xUniversal Wheel Fixing Pad note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.