Trolley Case Caster Mute Lower Wheel Protective Cover $ 4.64 Product information: Pattern: solid color Accessory type: Caster sleeve Color: Orange (8 packs), blue (8 packs), Pink (8 packs), Purple (8 packs), Gray (8 packs), Black (8 packs) Function: wear-resistant Material: Silicone Size: Packing list: Silicone castor sleeve * 8 pieces Product Image: