Product Information: Material: Plastic Color: Black Size: 4.5*2*1.5cm/1.8*0.9*0.6inch Function: Durable: The box casters are made of high-quality ABS plastic, which is very hard, has strong impact resistance, wear resistance and stability, and is strong and durable. Quiet movement: The surface of the casters is smooth, the bearings can work quickly, the push-pull process is smooth and quiet, and there is no noise or scratches on the floor. Function: Ideal for household and industrial applications. Suitable for storage boxes, trash cans, bedding boxes, very suitable for all kinds of DIY and home use, easy to move. Packing: You will get 8 casters, enough for your daily use and replacement. The size is 4.5*2*1.5 cm / 1.8*0.9*0.6 inches. Product List: 8 * Storage Box Caster Wheels Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. Due to different measurement methods, there may be 1-3mm error.