The felt part is specially processed to prevent fraying, and the chair is pulled and will not damage the floor.
It has a vibration dampening and soundproofing effect.
It has an adhesive processing that can be used for floor heating.
Can be easily cut with scissors.
The back has a special adhesive coating, making it easy to use.

From the Manufacturer

Hikari Hard Felt Brown 0.9 inch (22 mm) Round x 0.2 inch (4 mm)

The felt part is specially processed to prevent fraying, and the chair is pulled and will not damage the floor.Anti-vibration and soundproofing.It has an adhesive treatment that can be used for floor heating.Easy to cut with scissors.Easy to use with special adhesive backing