Features: Five bands, each with a different resistance strength level. Designed to: Increase resistance during workouts for a tougher workout. Resistances: From extra-light to heavy - 5, 10, 15, 20 or 30lbs of resistance. Portable: A compact piece of equipment that you can take anywhere. Material: Made using stretchy and strong TPE. Booty bands: Get a set of booty resistance bands! | 5pc Booty Resistance Bands Set | Wowcher