This product is a caster socket sleeve, which is made of plastic material, with good texture, safe and practical. Easy to install and use, it can be easily applied to your caster. It is a very practical accessory that will meet your needs well. It can be can be your good helper. Features -Color:Black -Material:Plastic -Size:2.50X2.50X2.50cm/0.98X0.98X0.98in - Plastic material:Made of plastic material for sturdiness and durability, which can serve you long time - Durability and practicality:With the fine workmanship, socket can ensure its durability and practicality -Enough quantity: Compact and light in weight design for easy to carry, sufficient quantity can meet your quantity demands. - Practical And :Comes with great wear resistance and abrasion resistant, can be used for longer time - Fine workmanship:Fine workmanship, and sturdy, not easy to wear or tear, you deserve to have one Package list: 10 x Caster Socket Sleeves