This product is from an overseas company. Please purchase only if you understand this. This product is a set of改造パーツ (kaizō pātsu - modification parts) for the MG Z Gundam, specifically the head and chest. One set corresponds to one plastic model kit. Please refer to Figures 3 and 4 for the product contents. An instruction manual is included. If you purchase multiple items, there is a discount, so please inquire in the questions section.