【Quiet and Protective】These chair casters are made of shock-absorbing polyurethane, allowing them to glide quietly and smoothly without disturbing others. Furthermore, the soft polyurethane caster replacements can be used on floors such as hardwood, carpet, and tile, providing scratch-free use and better protecting your floors. 【Easy Installation】Simply push the lever of the new office chair wheels firmly into the slot. In just 5 minutes, you can have a brand new chair without buying a new one! ⭐Anonymous Delivery & Free Shipping⭐ Please check the actual product photos for the product condition♪ #mon♡'s product list is here ✨☜ 4-18 ----------------------------------------------- Shipping is planned via Yu-Packet Post.