What should you do if the storage box at home is too heavy to carry? Do you have a good way to solve this problem? Have you tried installing some pulleys at the bottom of the box to help you? Why not take at our sticky pulley! It can be directly glued to the bottom of your storage box to help you easily carry the box and save your effort. Features -Color: Blue -Material: HIPS -Size: 5.00X2.50X2.00cm/1.97X0.98X0.79in -Made by material, which is and practical to use. -The casters can be pasted on the bottom of the storage box, making the movement more labor-saving and convenient. -Excellent load-bearing capacity, you don't have to worry about overweight storage box and the pulley. -Sticky pulleys, no complicated installation steps are required, just stand directly at the bottom of the box. -When the pulleys are not needed, just remove them directly, the adhesive will not leave traces in the storage box. Package list: 8 x Sticky Pulleys