grip strength ring many colors for reference develop your muscle of hand easy to take material with ROHS approval  

product name: beautiful grip strength ring dimension: OD 7cm;;  ID 4cm;  material:  PVC  weight:   37g  MOQ:  2000  quality:  pass ROSH  production ability:  1000 pieces/day  package:  according to the client's requirements

         

hand ring

description:

 1)MOQ is 2000pairs 

 2)delivery time is 10 days or so

 3)if  you are interested in our products ,pls contact us

4)material: PVC

5)mass production

6)weight:37g (per pc)

7).OD: 7cm

8). ID:  4cm

colorful grip strength ring