These are NOT the cheap rubber or plastic knives from China, Korea, or India. They Have a Nylon core for a bit of "heft" and rigidity, allowing them to be "disarmed'. High quality and durable. With 1" of high density foam pads on the tip, You can stab the heck out of each other without causing blunt trauma injury!!!
The Wedge knife has a 1 1/2" back and 1/4" to 3/8" edge of the blade. Perfect for slashing and you can stab as hard as you want!