Features: 1. 360-degree Free Rotation: Ball-type swivel caster allows smooth movement at any angle and operates quietly. Ideal for makeup organizers, kitchen countertops, bedroom, bathroom, living room, and flower shelves. 2. High Load-bearing Capacity: The roller stand is constructed from durable plastic material, offering excellent strength and wear resistance for long-term use. Supports heavy items with ease. 3. Labor-saving Design: Simply attach the universal wheels to the bottom of boxes to effortlessly move heavy containers. Perfect for organizing, moving, and cleaning tasks. Compatible with various types and sizes of storage and packing boxes. 4. Easy Installation: Attach the strong adhesive pad to the caster, then fix the caster to the bottom of the box. Allow 24 hours for full adhesion before use. Smooth-rolling casters make moving heavy objects convenient. 5. Ideal Gift Choice: Compact and practical furniture caster set suitable for home, office, kitchen, living room, and bedroom furniture. Makes moving storage boxes effortless. A thoughtful gift for family and friends. Notice: 1. Actual color may vary slightly due to differences in monitor displays 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