Description Office Chair Glides, Carpet Chair Rollers, Soft Rubber Replacement Wheels for Office Chairs for Fixed Stationary Casters Excellent Durability: Made of high-quality nylon with heat resistance, wear resistance, chemical resistance, and self-lubricating Excellent Point: The bottom is made of soft material, which does not damage the floor and does not make noise to maintain a quiet atmosphere Application: Used to convert swivel home and office chairs with wheels into fixed casters Color: Black Size: as shown Quantity delivered: 5 pieces Warm notice: 1. Due to different measurement methods, there will be 1-3 cm deviation about the items, please make sure it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, thank you very much for your kind understanding 3. Only the above package contents, excluding other products.