Advantage: Self adhesive caster wheels won't add height to your small appliances, and you can easily move them on smooth floors with little noise Simple Install: Install our small wheels at the bottom of the object that needs to be moved such as small appliances, storage bins and so on. Use after 24 hours, it'll stick better Size and Material: Mini Caster Wheels made of ABS material and stainless steel ball of 360°Rotation, height about 0.59 in, length about 1.7 in, 4 wheels can carry 55 lbs Wide Application: Not only for small appliances but also for storage bins, tool box, computer mainframe which you want to be moved Design: Self adhesive caster wheels only work on smooth and hard surfaces, please use them in a dry environment CONTAINS: 4x Mini Caster Wheels