Most training swords in the old time were made of wood. The main drawback of wooden swords is that they may break or split, and hurt the wearer or its opponent with splinters.
This training gladius is made of a polymeric material, by Coldsteel, and does not have this drawback. It is also waterproof.
Polypropylene, 79cm (blade 56cm), blade 2cm thick, 700g.