1. Material: stainless steel 2. Specification: 4 universal wheels in one pack 3. Use viscose design, no need to work hard, just stick it and use it 4. It can be transformed into a mobile trolley and put into a small space such as the bed bottom 5. Strong glue, not easy to fall off 6. Round edges without cutting hands 7. Rugged rollers, wear-resistant and smooth 8. Dimensions: 43x40 mm 9. Weight: about 8g (single)
