Practical Function: Just need to paste the 360rotation stainless steel universal mini caster wheel on the bottom of the box, The appliance slider is highly adhesive then the heavy box can be easily moved, and the silent wheels are smooth 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; Please wait for 24 hours after pasting, then you can use them. Wide Application: These small casters wheels 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; Shipping may cause the wheel not to turn, please roll the wheel by hand to make the wheels turn smoothly; may leave marks on the table. The caster can bear a load of no more than 5 kilograms; It is not recommended to use these casters on a wooden floor to avoid scratching the surface. Easy to install: You need simply peel the film on the back, then firmly press onto the smooth surface, and please wait for 24 hours that will be good when using, therefore the smooth pulley makes you put heavy objects easily and conveniently. Quality Material: Storage box swivel 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. 360 Degree Rotation Design:Stainless steel metal ball can be 360free swivel,spin your coffee machine, craft boxes, laundry bucket, flower pot bottom, nightstand, garbage cans, storage containers and more easily, you can push a heavy box with a gentle push,no matter forward and backward, left and right..Items from Sheng Xinshun's shopProducts from KJ's store