High Quality ABS & Nylon Materials: These cute plastic furniture ball casters are made of high quality eco-friendly ABS material and nylon. They are easy to install with no worries. Stable, sturdy, reliable and has a long service life.Shock absorption: The rotation of high-quality ball casters and the precision ball bearings in the shaft make rolling easier. Small transport roller has high shock absorption performance. So you can roll smoothly and quietly without making a strong noise, the surface is smooth, not blocked by crumbs, hair and sand, you can enjoy smooth and quiet movement.Good bearing capacity: The rollers of the bearing mounted on the transmission unit bear a large load-bearing capacity and can rotate 360 degrees when in use, reducing labor intensity and workers' fatigue. Can be installed more without rubbing marks on the wooden floor, effectively reducing damage to the floor.Wide range of applications: These cute casters not only can be applied to shoe box, trash can, small container for smooth and easier movement, but also a perfect DIY accessory, good for kids toys, crafts, small projects, etc. Small and cute, enough for your daily needs.Note: The data are all measured manually. Please allow an error of 1-3cm. Due to the difference between light and display, there is a certain color difference, which depends on the actual object received