Product Description Product Description: You only need a free-rotating, high-load-bearing omnidirectional caster, and our compact 360-degree rotating adhesive wheel meets your needs. Efficient, labor-saving, and easy to use. Simply attach it to the bottom of the box to move it easily! Product Features - Colors: Black, White - Material: ABS and Steel - Dimensions: 4.50 x 2.80 x 0.20 cm / 1.77 x 1.10 x 0.08 inches - High Quality: The wheels are made of high-quality ABS and steel, with fine workmanship, not easily damaged or deformed, and durable. The ball head and bracket are integrated, sturdy and wear-resistant, and not easy to fall off. - Stability: Stable performance, simple and practical, mainly suitable for moving on smooth and flat surfaces. The spherical caster design reduces noise when pushing and will not scratch the ground. - How to Use: Attach it to the bottom of the storage box or trash can for easy and convenient movement, and easy to remove when needed. - High Load-Bearing Capacity: Effectively supports the weight of the trash can or storage box, helping you move items more easily. Specially designed and finely crafted. - Widely applicable: Suitable for handling and cleaning, and can be used in various types and sizes of storage boxes, including storage boxes, trash cans, cabinets, flower pots, etc. Old ones can be replaced with new ones. Package list: 16 sticky wheels.