This product is designed to provide a secure and stable solution for baby changing tables and office chairs. inserts are made from durable materials, ensuring performance. They are easy to install and fit into the chair or table legs, preventing unwanted movement and enhancing safety. Ideal for both home and office use, these inserts offer peace of mind and reliability. Features -Color:Black -Material:Plastic -Size: 3.30X1.60X1.60cm/1.30X0.63X0.63in -Enhanced stability: the narrow tail design increases friction and prevents loosening, ensuring your chair remains stable and secure -Floor protection: protects chair legs and floors from damage with its antislip design, preventing scratches and scuffs -Universal fit: suitable for all types of chairs, including stools, kitchen chairs, patio chairs, desk chairs, and dining chairs -Soft material: made from soft material that fits on chair legs, preventing easy detachment and ensuring use -Stylish design: simple and stylish design that complements various interior decor styles, adding of elegance to your space Package list: 20 x caster tube plugs