360 Rotation The 360 rotating design ball is more convenient to move than the one-way type. It rotates freely and rolls infinitely. The self-adhesive wheel helps you easily pull storage boxes and small furniture, which is very convenient and labor-saving. Reliable Material These cute plastic universal wheels are made of high-quality environmentally friendly ABS materials and glue, easy to install, worry-free, stable, sturdy, reliable and durable. They can be used for a long time and can easily move heavy objects without stress. Smooth Movement without Noise Self-adhesive casters can move smoothly in all directions without leaving scratches/marks on the floor. In addition, the wheels are wear-resistant, smooth and noiseless. Load work is more stable and safe, and it is completely silent in use. Strong Viscosity, Easy to Use Strong viscous design, easy installation, no drilling or tools required. Just stick the universal wheel to the bottom of the box and put the pulley on the bottom of the box for 24 hours to use. Suitable for moving and cleaning, smooth pulleys make it no longer a problem for you to carry heavy objects Suitable for Most DIY Needs Lovely size: (4.5 x 2.8 x 1.4) cm. Weight: 0.2 oz/5 grams. With 16 sets, these cute casters can not only be used in shoe boxes, trash cans, small containers, various storage cartons, bins, vases, small furniture, etc. For smooth and easy movement, it is also a perfect DIY accessory, very suitable for children's toys, artworks, small projects, etc.