Procuct Description:
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Appearance is simple, feel soft.
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Can exercise the head muscles and flexibility of the fingers. also a
perfect tool for anyone in the family to use and great for progressive
training.
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Can be repeatedly compressed
without losing its shape.
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Durable & high-elastic material,
feel flexible, good elasticity,suitable for all ages.
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Three color-coded balls of varying
resistance(Include :red blue yellow).
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