Difference between Bladder and Cartridge?

[braap]

I know that I should know this but what is the Dif. between Bladder and Cartrige forks? also I have a 1996 CR250 which do I have, I know that they are KYB's.

 

[marcusgunby]

Both forks have a cartride-the bladder fork has a rubber tube at the bottom of the fork, yours has no bladder.