Hand Exercise Balls, Set of 4 Finger Grip Strengthener Balls, Sponge Squeeze Stress Balls for Pianist Finger Exercise, Physical Therapy and Stress Relief - BORDSTRACT, BORDSTRACTtadz61u3p7

• Piano Training: This hand exercise balls is designed for both professional and beginner piano players, you can use it to improve your piano skills as it will help you to practice the correct fingering and finger strength while using Relieve Stress & Pain: Grip strengthener balls also helps enhancing your hand health, they are suitable for opening expansion, palm support, wrist lift and carpal tunnel relief. 4Pcs in 1 Pack: Package contains four hand exercise balls of four different sizes and colors, are great for adults and children with different hand sizes and needs. Comfort and Durable: Squeeze finger exercise balls are made of high quality sponge material with high elasticity and quick rebounding, is comfortable to hold and squeeze Easy Carrying: Each hand exercise balls features a compact size and a light weight, allow you to carry these balls easily wherever you go and exercise your hands anytime and anywhere