This pattern is knit with 2 colors of a DK weight yarn. The pattern is charted and tutorial links are given for 2 color knitting using a strand in each hand. Here are the links to the tutorials: https://www.youtube.com/watch?v=Na3o0JxCLmE. This video will show how to catch long floats at the back of your piece
https://www.youtube.com/watch?v=B33SUeSwubE

This is a great pattern to use up scrap yarn - The main color takes only 20g or about 45 yards and the contrast color takes about 12g or 30 yds.