Knitting / Beginner
1x1 Rib
Single knit and purl columns make a stretchy fabric, often used for cuffs and hems.

An illustration of the texture, showing 4" of fabric at your gauge. It isn't a photo of real yarn.
Swatch first. These numbers are only right at your gauge, and the starting values above are typical figures rather than yours. Work a 4" swatch, measure it, and enter what you get.