Do you find it difficult to move storage box? Then, you can not miss our products. ABS, steel material made, with detailed workmanship, swivel caster wheels are not easy to deform or get broken, sturdy for longer period use. Self-adhesive design, easy to paste to the storage box firmly and rotated to different angles, allowing you to drag boxes effortlessly. Features -Color:White -Material:ABS, steel -Size:4.00X4.00X2.30cm/1.57X1.57X0.90in - Made of ABS, steel material, firm and wear-resistant, these small wheels are proper for longer servicing time. - Small caster wheels can be applied to various types and sizes of storage boxes and storage bin, also good for trash can. - Universal pulley can move smoothly in different directions mutely and more effortlessly, simple to use. - Simple structure, light weight, small and compact size, caster wheel is easy to install and disassemble, will not damage the surface of your storage case. - These mini swivel wheels will not scratch the floor easily, suitable for small appliance, safe and excellent, giving you nice using experience. Package list: 4 x caster wheels 4 x adhesive patches 1 bag x screws