Crochet Yarn Size : The set includes two rolls of T-shirt yarn with a 5.5mm crochet hook included. A roll of T-shirt yarn is 118yds/108m long, weighs 14.1oz/400g and is 1.18inches /3cm wide Material: The t-shirt yarn is made of 95% polyester and 5% spandex, the addition of fibre makes the ribbon yarn softer and more elastic, not easy to break or fade, sturdy for long-term use, a great choice for your hand knitting Beginner Yarn: Soft and easy-to-handle polyester yarn, excellent stretch, has easy to see stitches when crocheting, polyester makes crocheted items more upright and easy to crochet, so you can finish a piece in one day and enjoy the