Quality MaterialMade of environmentally friendly ABS material and sturdy solid steel balls, not easy to age, not easy to rust, thick and durable. 360 Silent BearingThe ball bearing transmission unit is polished during the production process and the surface is smooth. The 360-degree universal transmission bearing is flexible, fast and stable, and has low noise during transportation. Practical and BeautifulThe storage box pulley is small and light, and it is almost invisible when attached to the bottom of the furniture. It will not affect the overall appearance of the furniture, saving you energy and moving easily. Easy to InstallThe product comes with glue, easy to paste, and reserved screw holes, you can choose to insert or tighten according to your own preferences. Widely UsedSuitable for storage boxes, cosmetic storage boxes, trash cans, flower pots and other small furniture, can be used in bedrooms, bathrooms, kitchens, living rooms, etc. It can rotate 360, move as you like, thicken the wheel frame, increase the contact area, improve the load-bearing capacity, and be quiet and smooth when sweeping. Bring convenience to your life, by sticking these self-adhesive wheels on the objects, you can move these objects without much effort, and these beads will not easily scratch the floor, bringing you a pleasant using experience. The product can bear a load capacity of up to 15 kg, it is more recommended to use it for less than 8 kg, you can use it for a long time. Specification: Material: ABS Color: Black Package Contents: 22 x Self-adhesive Ball Casters 22 x Transparent Stick-on Casters