China Hand Grip Strength Trainer, Stress Ball for Adults and Kids factory and manufacturers

Hand Grip Strength Trainer, Stress Ball for Adults and Kids

300: 2.4

500: 2.1

1000: 1.8

3000: 1.69

Product name	Hand Grip Strength Trainer, Stress Ball for Adults and Kids
Material	TPR or silicone
Size	Custom Size
Color	can be customized to regular color
Logo	can be customized

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