Feature:  
Made from natural latex, light weight and easy to carry.
Firm and Durable.
Comfortable in touch and wear.
Perfect for lower body excercises including forward, lateral, and backward movements.
Good for ankles, calves, knees, thighs or wrists.
The resistance strength was measured by macine at the state of 3 times prolonged.
Material: Natural Rubber Latex
Color: Red/ Blue/ Black/ Green/Yellow
Size:
Green: 600x50x0.35mm     5 pounds
Blue: 600x50x0.5mm   10 pounds
Yellow: 600x50x0.7mm     15 pounds
Red: 600x50x0.9mm  20 pounds
Black: 600x50x1.1mm   30 pounds
Attention:
Due to different measurements, please accept 1-3cm error; please allow reasonable color difference as different computer screen may display different colors.