This is an easy to knit cocoon and is available in a few sizes, depending on thickness of yarn used. This is an easy to follow pattern with photos It is available in 5 sizes ~ 10” doll ( knitted on 2.75mm needles using 4ply ) 14” doll ( knitted on 3mm needles using dk ) , prem/small newborn ( knitted on 4mm needles and using dk), 0-3 months ( knitted on 4.5mm needles and using aran ) 3-6 months baby ( knitted on 5mm needles using chunky) For the newborn ( dk ) you need approx 200g The 0-3 months is ( aran ) approx 350g And the 3-6 months is ( chunky ) approx 420g