Features: ?Pack includes 2 Arm straps ?Helps increase burning of calories ?Suitable for people whom suffer from fat build up on the upper arms ?Ideal for aiding sports injuries or strains ?Ideal for use before and after exercise (not to be used whilst doing exercise) ?The bands should be worn for 8-10 hours per sitting, if you feel any discomfort please remove the armbands ?Made from 78% Nylon 22% Spandex ?Approximate Size:- 22-35cm diamter