Easy, durable installation: ABS caster body with a strong adhesive backing. No punching or tools needed; sticks to clean, smooth surfaces for longlasting use. Selfadhesive convenience: Peel the backing film and press to the bottom of boxes, bins, or crates for instant mobility. Quiet and surfacefriendly: Smooth rolling with low noise; will not scratch floors or leave marks. Compact and versatile: Lowprofile wheels suitable for lightweight items, toy boxes, storage bins, removable pet crates, trailers, and similar items. Familyfriendly usefulness: for parentchild play and everyday organization, turning simple items into mobile ones. Practical uses: Move a toy storage bin or small box from room to room without lifting. Relocate a removable dog crate or pet crate base to different areas of the house. Upgrade a kids' wagon or trailer for easier pulling and maneuverability.