1. Material: silicone
2. Weight: about 150 grams for a single ball, about 300 grams for a double ball
3. Size: the diameter of a single ball is about 6 cm, and the diameter of a double ball is about 13x6 cm.
4. Application: exercise fitness, stretching and soothing, relaxing muscles, etc.
5. Features: diamond pattern design, beautiful and delicate, deep massage, relieve pain, solid silicone material, good elasticity, moderate hardness, light and easy to carry
Specification:
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