Pouch: 210D polyester; Bands: latex;Drawstring pouch contains three-resistance bands; each colour represents a different level of resistance (Green = extra light strength, 2-4 lbs., Blue = light strength, 6-8 lbs., and Yellow = medium strength, 10-12 lbs.) ; Includes instructions with basic exercises; Product Size: 4.5" w x 6.5" h;