1)Zinc-alloy roller excercise ball, A grade PC 2)With light or without for optional 3)With counter or without for optional

Give me a minute, it will back to you fit body!!

Make your wrist and harm flexible !

Increase your wrist and arm strength!

Popular amusing exercise equipment!

1) Zinc-alloy roller 2) A grade PC plastic                                3) without lights or with,  without counter or with can be done 4) Speed run above 12000rpm5) Attach one start string6) Original Japanese plastic material, food standard silicon non-toxic,                                  7) Excellent balance during running8) Different color for optional9) Customer's logo can be printed,OEM service

sport products--Zinc-Alloy Roller Ball