Too and Enough

"Too" is used to express that the amount or degree of something is more than necessary or acceptable.

Some examples could be:

The new iphone 6 is too expensive.
These hamburger and frech fries are too salty.
The road is too long for the oil we have.
The class is too boring in afternoons.

"Enough" is used to express that quantity is as much as you need to archive a particular purpose.

Some examples could be:

These food isn´t good enough to come back again!
I am ready enough to pass exams.
These icecream is cold enoughto eat it.
These program is great enough to see all day.

Much, many, a lot of, little and few
We use many and few for countable nouns, in many for negative and interrogative sentences and few for affirmative sentences.
We use much and little  for uncountable nouns, in much for negative and interrogative sentences and little for affirmative sentences.
We use a lot of for both things: Countable and Uncountable.
Some examples could be:
These market don't have many grapes.My brother have few balls.I need a lot of energy.How much food do we have?You have little water.


Food Quantities and Conteiners
There are diferent forms of packaging:
Multipack,Blister pack, Box, Match box, Packet, Stick, Package,Roll, Tube, Carton, Juice box, Sachet, Aerosol can, Can, Tub, Bottle, Tin, Jar and Bag.