Simpson Air Boss Series parachutes utilize a pneumatic launcher (Sold Separately) which allows the chute to blossom in a shorter distance than traditional spring-loaded chute designs. They also employ four Kevlar® lines for added protection. Air Boss Series parachutes are available in a variety of canopy sizes, as well as in standard racing color options of red, blue, or black. These chutes are manufactured and assembled with quality craftsmanship.Sold Individually.