Features: These resistance stretch bands are great for women and men of all fitness levels. Made of 100% eco friendly natural Latex, ensuring comfort and durability. Can be used for Yoga, Pilates etc, or for general exercises and stretching. Can be used to strengthen ligaments or muscles. You get 5 resistance bands set and you can combine multiple bands to find your ideal resistance. Green: 600 50 0.35mm, Stretch: 3~5lb. Blue: 600 50 0.5mm, Stretch: 10~12lb. Yellow: 600 50 0.7 mm, Stretch: 15~20lb. Red: 600 50 0.9 mm, Stretch: 25~30lb. Black: 600 50 1.1 mm, Stretch: 35~40lb. What's in the box 5x Resistance Bands 1x Storage Bag