You will need;
- DK/Light worsted weight 100% cotton yarn in white (of course you don't have to use white but white here is the base colour)
- DK/Light worsted weight 100% cotton yarn in two alternate colours
- 3.0mm crochet hook or similar
- Yarn needle
- Scissors
For adjusting size, work to units of 8 + 1 (+2 for chaining)
W = white
AC1 = alternate colour 1
AC2 = alternate colour 2