The finger trainer is small and light enough to fit in your sports bag or bag. You can enjoy a workout at work or in your . Exercise your hands anytime and anywhere with the finger extensor exerciser. Super decompression: by stretching as long as possible, the silicone finger trainer has a calming and relaxing effect on muscles and emotions. until they get tired. When you let go, you feel relaxed. finger trainer is made of high-strength silicone, soft and not cracked, safe and odourless. Strong and . , palms and arms can be trained and train the whole hand. Wide range of applications: finger resistance bands are suitable for all ages and suitable for all hand sizes. Perfect for piano and guitarists, golfers and mountain enthusiasts who need stress relief, recovery, boxing, muscle memory, finger and grip strength. The hand strengthening set is perfect for improving strength and flexibility in wrists, and forearms. They are great gifts for climbers, tennis players, guitar, piano, drummers and musicians. Color: Black Material: Silicone Package Contents: 4 x finger trainer set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.