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.