What do guinea pigs eat and how much?

Guinea pigs can eat lettuce, cucumbers, guinea pig food, carrots, pickles, and biscuits.

Lettuce- two leaves
Cucumbers- half (if small)
Guinea Pig food- two handfuls (if you are around 12) [depends on hand size]
Carrots- half (if small)
Pickles- whole but in slices (medium sized)
Biscuits- half (one side only)

your welcome!