Practical Function: you just need to 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 light causes the color difference between the object and the picture; Please wait for 24 hours after pasting, then you can use them 360 Degree Rotation: 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 Quality material: 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. Note: Sliding on the wood surface may leave tracks Easy to install: you need simply peel the film on the back, then firmly press onto the smooth surface, and suggest to wait for 24 hours that will be better when using, therefore the smooth pulley let heavy objects is no longer a worry Wide application: these cute casters not only be applied to shoes box, trash bin, small container for easier moving, but also a nice DIY accessories, suitable for kids toy, art craft works and more, with a maximum load of 15 kg Product size: single ball 4.5 * 2.8cm, hole spacing 3.5cm Features: 1. Four single balls bearing 15kg 2. Free adhesive can be 360 ball-type sticky wheel can be rotated at will 3. No noise or damage to the floor during use