Durable ABS self adhesive caster wheels deliver stable, long lasting performance on lightweight boxes and organizers. Quick tool installation: peel and stick to the bottom; no drilling or tools required. Compact, versatile design: small diameter fits lightweight containers and projects; adheres to clean, dry, smooth surfaces such as wood, plastic, or metal. Not recommended for textured, dusty, or fabric surfaces. Smooth, quiet operation: rolls quietly without screeching and leaves no marks on most floors or surfaces. Educational and practical: helps kids learn to move and control small items through play and hands on activities. Use cases: Attach to toy chests, art supply bins, or small storage boxes to rearrange spaces without lifting. In classrooms or makerspaces: fix to project boxes or STEM kits for easy transport and organization. For hobbyists: add to model boxes or display cases to slide components smoothly.