Turn on HD-quality in video settings You will need 7-9 mm thickness T-shirt yarn «lue - 2 skeins (200 meters) Purple - 1 skein (100 meters) Yarn's stores: 1) Best T-yarn shop for this backpack (link here) 2) (link here) 3) (link here) Crochet hooks: 5 mm and 7 mm