(both which i need).
so how did i use them...well to read of course.
i was a but overwhelmed when i opened the package there were so many pretty colors and i had no clue what color i needed or how to choose.
luckily there was a nifty information sheet included in the pack that provided instructions. turns out the color you need may change day to day or you may find that you do settle for one particular color. to find the right color you simply just test read with all the colors, choose the one you feel most comfortable with, and use it to read. i laid them side by side 