Easy to Clean: Our dual-grip silicone hand trainer is designed according to ergonomic principles of pure silicone, which makes it easy to hold in your hand and gives you an excellent experience when training grip strength. In addition, it is safe, non-toxic, without sharp edges and will not hurt your hands or fingers. Easy to Use: You can choose the resistance according to your needs, from 30 kg to 50 kg difficult. This means that it is suitable for different exercise needs, whether you are a beginner or experienced. Easy to Use: With only 5 to 10 minutes a day, you can train at home, in the office or anywhere you want. It is extremely portable and suitable for a variety of people, including athletes, office workers, musicians, rock climbers, tennis players and more. Easy to Use: This hand trainer is designed for all hand sizes and is suitable for women, men, children, adults and seniors. No matter your age or hand size, you can start working on grip strength. Easy to Use: It not only strengthens the grip muscles, but also builds finger strength, making it perfect for sports such as baseball, tennis, golf and hobbies such as rock climbing or playing musical instruments. It is a versatile fitness device for a complete workout.