Features: 1.High Quality Material: The universal wheel is made of ABS material and stainless steel ball material. The innovative sticker material gives you superb adhesion and no more annoying frequent peeling off. 2.Easy to Install: You simply peel off the film on the back and press firmly onto the smooth surface and please wait 24 hours for easier and longer lasting use later. 3.360 Degree Rotation: The mini stick-on pulley can slide to any angle without restriction. Even heavy boxes can then be easily and steadily moved in any direction saving time and effort. 4.Wide Range of Application: The casters are suitable for bins storage boxes small furniture laptops toy boxes make-up cases or other objects that need to be moved more easily. 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: ABS+stainless steel Product Size: 4.5*2.8cm Quantity:8PCS Notice: 1.Actual color may be slightly different from the image due to light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 8 * Self Adhesive Caster Wheels "