Storage box casters are made of strong ABS material and small steel balls, sturdy and durable, which is firm and wear-resistant to use for a long time, and they can move heavy objects easily without pressure. You just need paste the stainless steel universal wheel on the bottom of the box, then the heavy box can be easily moved, and the silent wheels are stable and quiet, will not scratch the ground, which is not easy to shake when pushing, and it is better to disperse the force and load. The mini paste pulley can slide to any angle, not limited, completely silent when applied, very suitable for makeup storage, kitchen, table top, bedroom, bathroom, living room and flower shelf storage.