Plastic bags with narrow outlet tubes. A lot like the plastic water bottle on a bicycle that you have to squeeze to get water out of.
Out of squeeze bottle's.
water
they eat stuff like ice-cream sandwiches and peanut butter sticks. they have to keep the food in plastic bags and they have to suck all the air out to keep it from going mould and so it stays freash...
They can drink pretty much whatever you can, as long as it is in powdered form.All they have to do is add water and........Tada! You have your drink!
Leroy Chiao on Space Travel Health
The Discoveries of an American Space Walk
Astronauts Who Have Died on Duty
The Impact of Gravity on the Astronaut's Life