i am going on an international flight with my two dogs. i bought two XL petmate travel crates for them but i dont know how they will eat and drink during the flight. the flight is more than 8 hours long and they will definitely have to eat and drink. i've looked at some bowls and feeders for crates but i dont know these things will work when they get transported to the plane cargo and such.

i also have heard about this hydration gels that contains 95% water. is this thing any good?