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 difficulty. 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, then fix the caster to the bottom of the box. Allow 24 hours for secure bonding before use. Smooth-rolling casters make moving heavy objects convenient. 5. IDEAL GIFT: Compact furniture caster set that makes a practical gift for family and friends. Suitable for home, office, kitchen, living room, bedroom, and other indoor applications. Makes repositioning furniture and storage boxes easy. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effects. 2. Please allow 1-3cm deviation due to manual measurement. Material: Steel + Plastic Size: As shown in picture Quantity: 4 pcs Includes: 1 Set Furniture Casters