All you need is a Universal Pulley that can rotate freely and has strong load-bearing capacity, our small 360 degree rotation sticky wheel can meet your needs. Effective and labor-saving, simply application. Just stick it to the bottom of the box, and the box can be easily moved! Features -Color:Assorted Color -Material:ABS and steel -Size:4.50X2.80X0.20cm/1.77X1.10X0.08in -High Class: The wheel is made of preferred ABS and steel materials, with detailed workmanship, not easy to break or deform, for lasting use. Ball and bracket integrated design, sturdy, wear resistant and not easy to fall apart. -Stability: Stable performance, simple and practical, mainly suitable for smooth and flat surfaces to move. The ball pulley design makes it quieter when pushing without scratching the ground. -Usage Method: Sticking it to the bottom of the storage case and trash bin, you can move them easily and conveniently and easy to pull out when needed. -Strong Load-bearing: It can effectively carry the weight of trash cans or storage bins, helping you to move better. Special design and it is in fine craftsmanship. -Wide Application: Suitable for moving and cleaning, it can be applied to various types and sizes of the storage box, trash can, cabinet, flower pot, etc. And the old one can be replaced by new one. Package list: 16 x Sticky Wheels