Furniture coasters are suitable on any type of surface-hard floors and carpets.
It is safe and effective for floors of any material-hardwood, linoleum, laminate, ceramic tile, carpet, marble, etc.
These furniture foot cups are made of high-quality EVA + non-woven material, which is durable.
The inner groove size of this furniture cushion: 1.18*2.16*0.4inch. 16PCS one pack