Available in a number of sizes. Instructions are also given to increase/decrease size to suit your requirements.
Just knit and purl stitches are required and it is both fully written and charted.

350/600/1200/2000/2550m DK weight yarn
Size:43x59/59x75/90x107/107x146/122x163cm

Although DK yarn is suggested, as the pattern is written by st and row any weight yarn may be used, yardage would vary.