About this product
Petra is sold in three different sizes. The size refers to the thickness of the crochet yarn. As the number increases, the thickness of the yarn decreases. The Petra range offers up to 60 colours.
100g - Size 3 
100g - Size 5 
100g - Size 8
Size 3 100g / 280 m Use 3 mm (UK 11) knitting needles Use 2.5 mm (UK 12, USA 1) crochet hook 
Size 5 100g / 400 m Use 2.5 mm (UK 12, USA 1) knitting needles Use 1.75 - 2 mm crochet hook 
Size 8 100 g / 800 m Use 2 mm (USA 0) knitting needles Use 1.25 mm crochet hook
100% cotton
Can be machine washed at 60°, Do not bleach, tumble dry on low, iron on 3. Can be dry cleaned without trichloroethylene