Features: Produced from excellent PTFE substance, these mouseskates secure smooth motion and accuracy, ideal for enthusiasts and architects. Left out wear resistance of PTFE substance ensures extended durability, reducing the need for frequent replacements and enhancing productivity. Particularly dealt face reduces sliding noise, creating a quiet environment for work otherwise play, excellent for open offices otherwise night use. these skates fit perfectly under the mouse for easy installation lacking tools. Constructed from PTFE substance, ensuring security and environmental compliance fitness oriented users. Specifications: Componenet: PTFE Size: 8.5x11cm/3.33x4.33inch Package Includes: Mouse-Foot Sticker × 1 Set 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,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.he picture may not reflect the actual color of the item.