Features: 1. 360 Degree Free Rotation: The ball type sticky pulley can slide at any angle and is completely silent when used. Suitable for cosmetic storage, kitchen, office, bedroom, bathroom, living room and flower rack storage. 2. Good load-bearing capacity: The roller frame is mainly made of high-quality ABS material, which is strong and wear-resistant and has a long service life. It can easily move heavy objects without any strain. 3. Efficient and economical: Simply stick the universal wheel to the bottom of the box to easily move the heavy box. It is suitable for moving and cleaning, and is suitable for storage boxes and packaging boxes of different types and sizes. 4. Easy to use: Simply stick the transparent glue on the pulley and place the pulley on the bottom of the box for 24 hours. Smooth pulleys no longer interfere with heavy objects 5. Ideal Gift: Mini Furniture Casters You can give the furniture casters as a gift to your family and friends, they will be happy. Furniture casters are suitable for home office furniture casters, kitchen and living room furniture casters, bedroom furniture casters, etc. The furniture does not require laborious lifting of boxes. Noticed : 1. Due to different monitors and lighting effects, the actual color may be slightly different from the picture 2. Please allow 1-3cm deviation due to manual measurement Instructions: Material: stainless steel + ABS Size: 4.5 x 2.8 x 1.4 cm Quantity: 16 pieces Includes:1 set of casters