This is anti-slip wheel caster, well made of nice material, durable, wearable and . Simple color design, can well match with your office chair. You can install these wheel casters into your office chair or computer chair, so as to provide you comfortable sitting chair. Protects floors and reduces noise. Suitable for tables, chairs, furniture, instruments and more.Features- Color: Black-Material:Rubber- Size: 2.50X2.50X0.90cm/0.98X0.98X0.35in-Excellent rubber material provides exceptional grip to ground, making it ideal for preventing slips and falls.-The elevated height design of these rubber foot pads improves ergonomics and offers enhanced comfort for users.-These rubber pads act as a protective barrier, preventing scratches and marks on floors caused by furniture movement.-With their ability to absorb vibrations, these rubber foot pads create a quieter living environment by reducing noise.-Suitable for various types of furniture, these rubber foot pads offer convenience and practicality in preventing wear and tear.Package list: Furniture Rubber Feet with Screws