Self adhesive caster wheels, no drill and no hole needed, easy to install and remove, bring you of conveniences. Made of reliable and stable materials, strong and durable, can well serve you for a long time. Features -Color:Black -Material:ABS, adhesive -Size:4.50X2.20X1.50cm/1.77X0.86X0.59in - Just paste wheels on the bottom of the box, and the heavy box can be easily moved. - They can be applied to various types and sizes of storage boxes and packing boxes. - Self adhesive caster wheels has good carrying capacity and will not be easily damaged, can use it with confidence. - They can help you easily move heavy objects without pressure, saving labor and effort. - Good materials and fine workmanship make these box casters durable and can be used for a long time. Package list: 8 x Adhesive Caster Wheels