Booga Bag yarn question

How-to Questions
1

Ok, I want to make this pattern, http://www.blacksheepbags.com/booga_bag.html,

it says Yarn: 3 skeins of Noro Kureyon, so I am looking around for a good deal and want to make sure I get enough, say this on Ebay
:: NORO ::

3 skeins of Kureyon #40, Lot T
(Aqua-Purple Multi)
100% Wool
50 grams / 1.75 oz / 100 meters /110 yards each skein,

are there different size skeins of Noro Kureyon ?

2

No, they’re all the same size.

3

Thank you , just wanted to make sure I have enough when I order online.