You will need
Plastic yarn or "plarn" (see our instructions)
Stitch marker (a coloured piece of string or metal bag-tie to mark the beginning of a row)
Crochet a rectangular shape, using different coloured plarn. Single crochet stitch works best.
When you have the size you want, fold the rectangle in half, width-wise.
Sew up the edges.
Crochet long handles and sew them onto the top of your bag.