The Mini Power Loops - Set Of 5 resistance bands gives you the option of 5 different strength options so you can progress your workout as you get stronger. Or, select the appropriate level of band depending on the muscle you are training. Made from durable latex, these resistance bands are ideal for rehab as well as general strength and conditioning. Lightweight and portable so you can take these bands on the move with you with the included mesh bag for ease of transport. Each band is 31cm in diameter and can be used around ankles, thighs, arms, and for adding extra reach if being used for stretching exercises.