Yellow - up to 15 lbs
Red- up to 35 lbs
Black- up to 65 lbs
Purple- up to 85 lbs
Green- up to 125 lbs
To build strength – each band exerts a particular amount of force on your muscles when stretched and can be used in both upper and lower body training. To improve mobility – resistance bands are a great way to help you improve your flexibility, but you can also use them improve joint mobility