The Fitness-Mad Resistance Bands come with a user guide and are ideal for use in pilates, for resistance training and rehabilitation. They all have a resistance rating and safety warning written on the band, making them ideal for studio use. ideal for use in pilates, for resistance workouts & rehabilitation latex bands have the best & most progressive elasticity & offer smooth, even resistance choice of 3 strengths: Strong (Black) Medium (Blue) Light (Red) dimensions - 150cm x 15cm