Worried about caster dirt It's stressful to wipe the casters clean Concerned about the sound of the casters while moving Worried about casters and floors getting scratched Removing the caster covers at the entrance eliminates the need to wipe the casters Made of silicone, so it can be washed completely. Also, caster covers can reduce noise. Size: Fits wheels (casters) with a diameter of approximately 5 to 6.5 cm. Weight: Caster cover 1 piece: Approximately 4g Color: Gray Quantity: 16 pieces (for 2 cases of double-wheel casters) * Double-wheel casters require 8 pieces per case. Material: Silicone Search terms: Dirt-resistant suitcase caster cover Tire cover Travel Business trip Travel goods Rubber Carry case Tire cover Wheel cover Silicone Wheel cover Carry bag wheel cover Scratch prevention Rolling prevention Luggage protection Luggage wheel cover For travel