An ocean of fantasy for little mermaids. Cast your crochet hook into the fancy and arch stitches to create this trendy fishnet stitch sweater model, crocheted with the fine pure Egyptian cotton yarn PHIL PERLE 5, in mint color. To make this model, you will need: Crochet hook size 2. This pattern is explained for the following sizes: 4 years, 6 years, 8 years, 10 years, 12 years.