Reinforced bottom felt pad -The new version of the protector features a cup-shaped felt pad, which provides better protection to the floor and the protector itself compared to a thin flat pad. The reinforced bottom design makes it more secure to fit the chair legs, avoiding sliding and moving. Moreover, you can tilt the chair at any angle without worrying about damaging the floor and the protector itself. It has a longer lifespan and can better protect the floor. Stretchable Fit a Range of Sizes -Chair Leg Floor Protectors is narrow at the top and wide at the bottom to adapt to various sizes. Fit Round leg diameter 1/2" ~ 3/4" (14~19mm). Multi-functional protection -This upgraded chair leg floor protector is made of high-quality silicone, which can effectively protect the floor from scratches, abrasion, and other damage caused by chair legs. It can also prevent noise and vibration caused by the movement of chairs. Easy installation - The protector is easy to install. Just slip it onto