PharMeDoc Workout Bands Loop Resistance Bands, Set of 5, X-Light, Light, Medium, Heavy, X-Heavy 100% NATURAL LATEX: These bands are designed to resist pulling so that they wont tear or rip. COMPACT DESIGN: This set of 5 fitness bands hardly take up any space at all in your home. EXCELLENT VALUE: These bands are more practical to have at home and still give you a great workout. SIMPLE TO USE: These workout bands can be used for strength training for different muscle groups. VERSATILE WORKOUT: These bands can be used in conjunction with many popular exercise programs.