The Butterfly Sword is used within Martial Arts, notably Wing Chun. It is recognisable with the small cross guard to not only protect the hands of the user but also be used to block or hook an opponent's weapon. The SMAI Butterfly Training Set has been manufactured from an indestructible polypropylene. This material is heavy duty and a far superior option to that of a timber weapon. It is designed as an incredibly durable item under their intended normal use. Specifications Material: Polypropyle