Features: brand new and high quality Save effort and effort: Just stick the universal wheel to the bottom of the box, and the heavy box can be easily moved Application: Suitable for handling and cleaning, suitable for storage boxes and packaging boxes of various types and sizes. 360-degree free rotation: spherical pulley, which can slide at any angle, is not restricted when used, and is completely silent. Use scene: 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. Package Includes: 4x Universal Wheel Specifications: Material: Plastic Size: Approx. 3x4.5x1.5cm/1.18x1.77x0.59inch note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.