Workouts can be such a hassle. If youre not running to the gym every day before or after work, youre trying to find the motivation to do an intense workout on your home gym. Resistance bands are the best solution because they: Green Band 5-15 lbs Blue Band 15-20 lbs Yellow Band 20-30 lbs Red Band 35-40 lbs Black Band 45-50 lbs Circumference * Width * Thickness Green Band 300*50*0.35mm Blue Band 300*50*0.5mm Yellow Band 300*50*0.7mm Red Band 300*50*0.9mm Black Band 300*50*1.1mm Are perfect for physical therapy exercises all the way to intense workouts Works flawlessly for arm, ankle, and leg workouts Are separated by resistance level to meet your needs Are extremely durable and long-lasting Are lightweight and portable