The Adhesive Wheels can perfectly stuck to the box firmly, allowing you to drag heavy boxes more effortlessly. Small sticking pulley, 360° free rotation, unlimited sliding. Easy to use, just stick on the bottom of the storage box, simple to use. And they can be your good helpers and also can be your . Features -Color:Assorted Color -Material:ABS and steel -Size:4.50X2.80X0.20cm/1.77X1.10X0.08in -Wide Application: Suitable for kitchen, tabletop, bedroom, bathroom, living room and other furniture. With the simple structure design, you can paste it on any item you want and suitable for storage boxes and packing boxes of various types and sizes. -Stability: It will not shake or make much noise when pushed, safer to move and push under pressure. The ball design is 360 degrees, flexible rotation, convenient movement, time and labor saving. -Adhesive Design: All you need to do is peel off the adhesive paper on the back and simply glue it to the bottom of the essential item. They can be just installed on the bottom box, you can move heavy things by slight pushing. -Load Bearing Ability: Strong bearing capacity, no pressure when moving. 360- rotation, can slide at any angle. Stable and firm, not easy to fall off, very practical. -High Class: Made of for long time and use. Sturdy, firm and wear-resistant, it can move heavy objects easily without pressure. It has a simple design, but very practical in use, giving you a . Package list: 16 x Sticky Wheels