Number of tear off's per box and in a stack:
7XXX = 4 stacks of 7
10XXX = 3 stacks of 10
Model of Helmet:
X201 - Shoei, Motorcycle HJC, Simpson Voyager
X205 - Bell, G Force, Pyrotect
X203 - SA Rated HJC Helmets
X209 - Impact Air Draft, 1320 and Evo; Simpson Shark, Super Shark, Invader, Stingray.