TheraBand® Exercise Resistance Band, Black, 5 Inch x 50 Yard, X Heavy Resistance, 1 Each Undercast Padding * Internal Width 15 * Color:Yellow * Internal Width 15 * External Width 19 * Threaded Stem Casters 3 * Twin All Plastic Wheel * Overall Size: 36 H x 19 W x 16 D * Seat Height 18 * Capacity: 250 lbs * Reducer Seat Will Accommodate 18 Months to 3 Years Old Quick and Easy To Use * Color choices: yellow tan mauve forest green red black grey light blue royal blue white navy teal (mesh only) mint (vinyl only) clear (vinyl only) OR for an additional cost Fern Dance Floral Montego Floral Sierra Sands Tweed Fixed volume pipette collects and dispenses correct amount of sample needed for testing Band is 5 inches wide and 50 yards in length and comes in a dispenser box Black color coded for special heavy resistance