iPhone 4G and 4Gs or phone of similar dimensions. The iPhone
5 will require slightly more rows, but this is included in the pattern.

This pattern is to scale means that your iPhone Cosy will be to a scale of 1:1,219,000,000 to Saturn’s rings. Each row represents 2300 Km (1400 miles).

Yarn A: 1 skein of Brooklyn Tweed, Loft, Colour: Woodsmoke.
Yarn B: 1 skein of Brooklyn Tweed, Loft, Colour: Cast Iron.
Please note that Loft can be fragile (Cast Iron), so be gentle. If you prefer replace the yarn for something stronger.

You can probably make a few cosys out of the suggested yarn

You can change the size by increasing the rows or the number of stitches.