This snug fitting case has an attractive cable pattern on the front and will help to protect your phone from scratches.
They are pretty easy to knit, you need to know basic knit and purl stitches and be able to knit in the round.
The pattern contains instructions for both a seamed and seamless version.
22 stitches and 28 rows = 4 inches in Stocking Stitch
70 yards of Worsted weight