Product name:Silicone Finger Trainer Product size about : 11.5*10.5cm/4.5*4.1in Finger hole diameter: 2cm/0.7in Product color: As shown in the figure Product material:Silicone product features: 1. Adjustable resistance: The silicone finger trainer is equipped with an adjustable wristband, and users can easily adjust the resistance level according to their needs, suitable for different training stages and goals. 2. Enhance finger strength: Designed specifically for fingers and palms, it helps users effectively enhance finger strength and flexibility, and is suitable for athletes, musicians and rehabilitation trainers. 3. Comfortable material: Made of high-quality silicone material, it is soft and Sturdy , ensuring a comfortable grip during training and reducing hand fatigue. 4. Portable design: The lightweight and portable design is easy to carry around, and users can perform finger strength training at any time at home, in the office or while traveling. 5. A gift for yourself: By training your fingers, you can strengthen the strength of your arms and palms, which plays an important role in the health of yourself and others. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1/2 pc Silicone Finger Trainer