"The GoFit Power Loops Set offers multiple levels of resistance for versatile, portable strength training. The red band supplies approximately 5lbs. of resistance, the blue band offers approximately 10lbs. and the green band approximately 15lbs. For lean, toned glutes, thighs and calves, use these resistance bands at home, then throw them in your suitcase for a convenient workout while traveling. Includes laminated training manual. Length 9.75"". Width 2"". Gender: unisex. Age Group: adult."