Safety Material: The self-adhesive transport wheel is made of high-quality ABS material, which is hard and thick overall, with good impact resistance, abrasion resistance, and stability, so you can easily move some bulky boxes. Stable and Quiet: The surface of the storage box's self-adhesive pulley is smooth, so no noise will be heard when moving. Due to the two-wheel design, the product has greater stability during movement and has a certain shock absorption capacity. Storage boxes containing heavy objects can also be moved easily. Humanized Design: Our self-adhesive pulleys are small and light, and will not damage the appearance when installed at the bottom of the box. In addition, it also comes with high-quality non-marking adhesives that will not damage the furniture, so you don't have to spend money on additional adhesives. Easy to install: Before installation, first wipe the area to be installed, then remove the self-adhesive ground contact, align the installation position, and then press firmly. It is recommended to install it on the four corners or edges. Scope of application: This kind of movable pulley is very useful, very suitable for home and industrial use. It can be used for movable storage boxes, trash cans, and some small household appliances, such as heaters, fans, etc. Technical data Size: 4.5 cm * 2.2 cm * 1.5 cm Material: ABS Color: black/white