DescriptionDo you have trouble moving things? Or is it hard to pick up after loading too many items? Then, our storage box pulley is carefully designed for you. Self-adhesive design, not easy to fall, let you drag heavy boxes effortlessly. Choose for your family.Features- Color: White.- Material: Plastic, stainless steel.- Size: About 4.50X2.80X1.40cm/ 1.77X1.10X0.55inch.- Sticking it to the bottom of storage box and trash can, making they are easier to move.- It is made from good quality material for long time and durable use.- It has a simple design, but very practical in use, giving you a good using experience.- The storage box caster is easy to use and install, bring much convenience to you.- Also can be a good housewarming gift choice for your friends, they will like it.Packing list4 x sticky wheels