Black Panther Knife made from Polypropylene Material  Much stronger & Durable  then Metal Knives, Lightweight Yet Sturdy.  

Total Length of  Sai  is 17.5".

Can be used for Light And Semi Contact  Sparring.

Polypropelene Is virtually A unbreakable Material Which Makes These Training Weapons The Best Available

While they’re not quite as rigid as wood, they have the advantages of being virtually unbreakable and remarkably stiff and cut resistant.