Can't shift nasty pong

[crankedup]

Whilst with friends one of their grandkiddies was sick over our car seats. Cleaned up but can't get rid of the horrible pong. Any recommendations for product please to remove (not cover up)the pong. Thanks.
They are still our friends, just.

[trickywoo]

New car time!

[Buff Mchugelarge]

Will need to wet vacced to draw the liquid stinkyness out of the seat,
Go and see your friendly local car valeter