Usage Tips:Bring convenience to your life: when you apply these self adhesive wheels to the objects, you can move these items without using too much effort, and these beads will not scratch the floor easily, giving you nice using experienceWide application for various places: the mini wheels can be applied to many occasions, such as kitchen, living room, bedroom, study and so on, you can stick them to the box, plates, trash can and other itemsServe you for a long time: the sticky pulley applies ABS and stainless steel material, reliable and sturdy, not break or distort easily; The product can support up to 20kg of load capacity, it is more recommended for you to use it for less than 8kg, you can use it for a long periodEasy to install: you need simply peel the film on the back, then firmly press onto the smooth surface, and suggest to wait for 24 hours that will be better when using, therefore the smooth pulley let heavy objects is no longer a worryDIY for fun: you can also apply the wheel swivel caster to your DIY projects, such as present boxes and some rectangular things; During your , you can do these activities, which can also improve your hand abilitySimple colors to go with items: These drawer rollers are in classic and simple colors, which can match with most of your furniture of your home, making your house looks neat and tidy in some way.360 Degree Rotation functions: Each roller ball bearing caster is equipped with 1 piece of bead in the middle part, the design allows your objects to move with most of the angles, providing you convenience and comfort.Size:Frame: approx. 4.5 x 2.8 x 1.2 cm/ 1.77 x 1.1 x 0.47 inchBead: 10 mm/ 0.39 inch in diameterColour: BlackMaterial: Stainless Steel+ABSSize: 4.5x2.8x1.2cmPackage Contents:8 x Stainless Steel castersNotes: Small items, please keep from little kids to avoid swallowing.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.