Power User Loop Bands for Exercise (X-Heavy, XX-Heavy) with BONUS Exercise Guide&ndash;Great Workout for Legs and Arms&ndash;Resistance Bands Are Excellent for Home/Travel/Favorite DVD&ndash;Stretch Bands for Men and Women&ndash;Lifetime Guarantee Set of 2 Loop Bands (each band is 12 Inch long x 2 inch wide) with different resistance levels  X-Heavy, XX-Heavy Use to strengthen your arms, shoulders, glutes, and legs Lightweight, portable, and strong  take your workout on the road BONUS Exercise Guide designed by a Physical Therapist Made of highest quality latex and backed by a LIFETIME warranty