Practical Function: Simply attach the stainless steel universal wheel to the bottom of the box to easily move heavy items. The silent wheels are stable and quiet, do not scratch the floor, and help distribute weight evenly for smooth movement. Allow 24 hours after application before use. 360 Degree Rotation: The mini adhesive pulley allows movement in any direction without restrictions. Operates completely silently, making it ideal for use with makeup organizers, kitchen storage, tabletops, bedroom furniture, bathroom cabinets, living room shelves, and flower stands. Quality Material: Storage box casters are made of durable ABS material with small steel ball bearings. Strong and wear-resistant, designed for long-term use and capable of moving heavy objects with ease. Note: Use on wooden surfaces may leave marks. Easy to Install: Peel off the backing film and firmly press onto a clean, smooth surface. For best results, wait 24 hours before use. These smooth-rolling casters make moving heavy items effortless. Wide Application: These compact casters can be used on shoe boxes, trash bins, and small containers to improve mobility. Also work well as DIY accessories for children's toys, craft projects, and other creative uses. Maximum load capacity: 8 kg.