Letsfit Resistance Loop Bands, Workout Exercise Resistance Bands for Legs Butt Glutes Workout, Pilates, Yoga, Rehab, Physical Therapy with Carry Bag, eBook, and Online Videos

Material: Natural latex
What’s in the box: Resistance loop bands x 5 (1 green, 1 blue, 1 yellow, 1 red, 1 black)
Strength and size:
Green: X-Light (5-10lbs), 600 X 50 X 0.35mm(L X W X H)
Blue: Light (10-15lbs), 600 X 50 X 0.5mm (L X W X H)
Yellow: Medium (15-20lbs), 600 X 50 X 0.7mm (L X W X H)
Red: Heavy (25-30lbs), 600 X 50 X 0.9mm (L X W X H)
Black: X-Heavy (30-40lbs), 600 X 50 X 1.1mm (L X W X H)