This is a new condition sealed bag of the Chaos Mutants Conversion Kit for Warhammer 40K by Games Workshop.  This kit was released in 2003 and is long out of production and hard to find.  The kit provides parts to convert and build 15 Chaos Mutants.  Sprues are included for Chaos Space Marines, Catachan Jungle Fighters, Zombies, and Ork Boyz.  This kit is in new condition, sealed in the original bag from Games Workshop.