Utiku Merino Baby Knitting Yarn - 4 ply baby yarn, 100g balls. 100% Merino Wool. Super soft for babies - non itch. Needle Size 3.25mm (no. 10). Newborn Cardigan: approximately 100 grams. Yarn Length: 350m per 100 grams. Tex 280/4. WARNING : Do not place in direct sunlight this may cause the yarn to discolour. Tension 10x10cm square; 24 stitches 36 rows.