Material: Silicone Size: 30-50L Color: As shown 1. Professional-grade grip trainer, effectively strengthens the fingers, palms, and forearms. Suitable for male fitness enthusiasts and rehabilitation training. 2. Made of highly elastic, environmentally friendly material, one lasting and pressure-resistant, it adapts to different hand shapes and grip strength levels, providing a safe and comfortable training experience. 3. Portable design, compact and easy to carry, suitable for use at home, office, gym, and other settings, allowing you to perform strength training anytime, anywhere. 4. Unique non-slip textured enhances grip friction, improves training results, reduces the risk of slipping, and ensures safe use. 5. Suitable for hand rehabilitation, muscle recovery, and joint flexibility improvement. Recommended by physical therapists. Package includes:1pcs Grip strengthener