Each set comes with 3 hip bands. The purple band has the highest resistance, the magenta band has medium resistance and the aqua blue band has the lowest resistance band in the set. These bands are super strong and durable so you won't have to replace them. Use With Your Favorite Training Program - Incorporate these hip bands with Yoga, Pilates, and general strength training programs. Bands are super light and come with an easy to carry travel bag so you can workout with your hip bands anywhere you go.