Description: Made from durable material, this wheel holder will not harm floors and will prevent caster scratches and prevent wheels from rolling, suitable for most wheels. Using electrostatic adsorption technology, this bed wheel stopper has excellent slip resistance on wooden floors or smooth surfaces. It is constructed of rubber material. The length of this wheel fixing pad is 8cm, the width is 5.5cm, and the height is 1.3cm. It is suitable for homes, offices, and so on. Item Name: Wheel Fixing Pad Material: Rubber Features: Easy to Use, Anti-scratch, Universal, Simple Installation Size Details: Size: 8cm x 5.5cm x 1.3cm/3.15" x 2.17" x 0.51" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4pcs: 4 x Wheel Fixing Pad or 6pcs: 6 x Wheel Fixing Pad or 8pcs: 8 x Wheel Fixing Pad