Features: Function: Just stick the stainless steel universal wheel on the bottom of the box, you can easily move the heavy box and electrical appliances, it is stable and quiet, will not scratch the ground, and is not easy to shake during use. Features: 360-degree free-rotating spherical rubber wheels can slide to any angle without restriction. Material: The storage box are made of sturdy ABS material and stainless steel balls, which are durable and wear-resistant, can be used for a long time, and move heavy objects easily without pressure. Easy Installation: just peel off the film on the back, press hard on the smooth surface, and fix it in place. Easy installation: just peel off the film on the back, press hard on the smooth surface, and fix it in place. Wide Range of Uses: stainless steel universal wheels are suitable for small containers such as trash cans, small furniture, flower pots, as well as children's toys, handicrafts, etc., with a maximum load of about 6-8 kg. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Material: ABS,steel ball Height: 4.5cm Color/Style: As the picture shown Weight: about 90g includes: 8*Caster Wheels