Features: 1. 360-degree Free Rotation: Ball-type swivel caster allows smooth movement at any angle and operates quietly. Suitable for makeup storage, kitchen countertops, bedroom, bathroom, living room, and flower shelf storage. 2. Good Load-bearing Capacity: The roller stand is made of high-quality plastic material, which is durable and wear-resistant with a long service life. It can easily move heavy items without deformation. 3. Effective Labor-saving: Simply attach the universal wheels to the bottom of boxes and heavy containers can be moved effortlessly. Ideal for moving and cleaning, compatible with various types and sizes of storage and packing boxes. 4. Easy To Use: Attach the adhesive pad to the caster and fix the caster to the bottom of the box. Wait 24 hours before use. Smooth-rolling casters make moving heavy objects convenient and easy. 5. IDEAL GIFT: Compact furniture caster set that can be given to family or friends. Suitable for home, office, kitchen, living room, bedroom, and other indoor applications. Makes repositioning furniture and storage boxes effortless. Notice: 1. Actual color may vary slightly due to different monitor settings and lighting conditions. 2. Please allow 1-3 cm variation due to manual measurement. Material: Steel + Plastic Size: As shown in picture Quantity: 4 pcs Includes: 1 Set Furniture Castor