Mustang Survival Corp M.I.T. 100 Manual Activation PFD Manual inflation only - will only inflate when you pull the activation cord 500 Denier Cordura outer shell Exclusive Membrane Inflatable Technology inflation cell Inflator inspection window and easy access flap Provides 26 lb. (100 N) buoyancy when inflated - 1.5x regular foam PFDs Manual inflation only - will only inflate when you pull the activation cord Exclusive Membrane Inflatable Technology inflation cell Inflator inspection window and easy access flap Provides 26 lb. (100 N) buoyancy when inflated - 1.5x regular foam PFDs