These strength resistance bands are perfect for physical therapy exercises all the way to intense workouts, with different resistance levels to meet your needs. It is made of natural latex, firm and durable. Both for men and women, good gift for your family and friends! <br><br><strong>Features:</strong> <br>With 5 different resistance levels to meet your needs: Red(10Lbs), Yellow(20Lbs), Grey(25Lbs), Blue(30Lbs), Green(40Lbs). <br>Made of durable latex that is snap resistant and guaranteed to help you strengthen your body.  <br>Great for squats, lunges, side-to-side exercises, stretching, etc. <br>Lightweight and portable, can be used at home or gym. <br><br><strong>Specifications:</strong> <br>Color: Red(10lb), yellow(20lb), grey(25lb), blue(30lb), green(40lb) (optional) <br>Material: Natural latex <br>Item size(C * W * T):  <br>Red: 500 * 50 * 0.4mm <br>Yellow: 500 * 50 * 0.7mm <br>Grey: 700 * 75 * 0.7mm <br>Blue: 500 * 50 * 0.9mm <br>Green: 500 * 50 * 1.2mm <br>Item weight: 9~27g / 0.33~0.95oz <br><br><strong>Package List:</strong> <br>1 * Strength Resistance Band <br><br><strong>Note:</strong> <br>The resistance strength was measured by machine at the state of 3 times prolonged.