Created to complement the Barroco family, Barroco Natural yarn has an unparalleled touch and softness. It is made of 100% cotton in different thicknesses, so you can have more quality and yield in your projects. In addition, it has pure mass and long fibers, which guarantees much greater durability for your handcrafted items. Certification: OEKO-TEX® Yarn Ne 4/4 - (590 Tex) Crochet hook: 2.5mm to 3.5mm Knitting needle: 4.0mm to 6.0mm