Use: Made of strong ABS material and sticky glue, self-adhesive mini casters are easy to install, stable, reliable and durable. Adhesive Design: These mini rolling wheels are adhesive. Simply tear it off to attach the adhesive casters to the bottom box without complicated work. Quiet Glide: These adhesive casters allow you to roll things smoothly and quietly without squealing sounds and ensure they won't scratch or leave marks on anything. Fun Accessories: These mini adhesive wheels are fun DIY accessories that make it easy and fun to learn move and control small things. Wide Use: Not only are these mini fixed wheels ideal for shoe boxes, trash cans, and small containers for easy movement, but they also serve as perfect DIY accessories for toys, crafts, small projects, etc.