Features: With 3 Strength: Includes 10 pounds, 25 pounds, and 30 pounds finger grip balls. These stress balls reduce carpal tunnel and arthritis symptoms. Good for rehabilitation and post-surgical recovery. Relieve Stress: Improves focusing, increases strength, and soothes the mind. A great wellness tool to bring mindfulness and help relax your mind and body. More Advantages: You can go from warm up exercises to stress relief and strengthening and conditioning your grip, hand, and finger muscles. We have you covered for physical therapy, rehabilitation, stress and anxiety relief, and fitness. Main Material: Made of a tear-resistant PU and silicone. Experience maximum grip and comfort. we have three types with compact size for you to choose. Ergonomic Design: Suitable for all age groups and fits well for all hand sizes. Portable and easy to fit in bag or pocket. You can get repetitions in while driving, at or anywhere! Specifications: Type: A=10 Pounds Round, B=25 Pounds Round, C=30 Pounds Oval Material: PU, Silicone Size: About A/B: Full Size: 10x9cm/3.94x3.54inch, Ball: 7cm/2.76inch C: Full Size: 12x11cm/4.72x4.33inch, Ball: 9cm/3.54inch Package Includes: 1pc x Finger Grip Ball Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.