- 100% latex

- Multi-layered rubber to prevent from snapping

XX Light (Yellow):

Resistance - 2-15lbs (1-7kgs) / Approx weight 55g

X Light (Green):

Resistance - 5-20lbs (2-9kgs) / Approx weight 100g

Light (Orange):

Resistance - 15-55lbs (7-25kgs) / Approx weight 160g

Medium (Red):

Resistance - 20-65lbs (9-30kgs) / Approx weight 300g

Heavy (Blue):

Resistance - 45-105lbs (20-48kgs) / Approx weight 400g

***REQUIRES ADULT SUPERVISION, PLEASE SEEK ADVICE BEFORE USING IF YOU HAVE ANY MEDICAL CONDITIONS***