Effective and labor-saving: Just stick the universal wheel to the bottom of , and box can be easily moved! Suitable for moving and cleaning, and suitable for storage boxes and packing boxes of types and sizes. 360-degree free rotation: ball-shaped paste pulley, which can slide at any angle,Unrestricted, completely silent when in use. Suitable for cosmetic storage, kitchen, desktop, bedroom, bathroom, living room, lower shelf storage. Good load-bearing: The roller frame is made of high-quality ABS material, which is strong and wear-resistant and has a long service life.It can easily move heavy objects without stress. Product name: universal wheel Product weight: about 30g Easy to use: Just stick seamless glue on the pulley and put the pulley on the bottom of for 24 hours to use. Smooth pulleys no longer worry about heavy objects! size:4.5x2.8x1.4cm Material:ABS+stainless steel colour:white Package Contents: 20 * Rotating Wheels Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.