Function: Comprehensive Fitness Exercise Application: Rubber String Chest Developer Color: Purple Pink Blue Green Use for1: Pilates Use for2: Yoga Use for3: Crossfit Use for4: Work out Type of Training Equipment: Stretching Tools Men Women Athletic Leg Pull up butt lift Gain Weight Sport of Training Equipment: Pilates Body Workout Sports Exercise Elastic bands Training Equipment Features of Training Equipment: Elastic Stretching Flat Rubber fitness training Equipment