Features: *High-quality materials: This product is made of high-quality materials, not easy to break, wear-resistant and durable, and can be used for a long time. *Easy to use: Arm rings are very lightweight fitness equipment that you can use during your regular training to achieve sustainable body and weight results. In particular, the arm muscles are strengthened and the shoulder muscles are also strongers. *Multi-functional exercise equipment: By rotating the bracelet to different positions, you can training different parts of the upper body, arm, back muscles, biceps, triceps and chest muscles to achieve the desired results. *Washable: This arm rings is washable and is not afraid of sweat. The washable design can avoid bacterial-growth and is more hygienic to use. *Multiple uses: The arm rings is suitable for adults and children for weight loss and massage, an effective way to help burn calories, improve posture, lose weight, and have fun. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: stainless steel inside, thick soft foam outside Size: Diameter: 28.5cm, Thickness: 5cm Package List: 2 x Arm Rings