Baby Wearing General Chatter #3
Jersey cotton is the best to make a stretchy, and you'd usually need about 5m :) When I made my own, I bought 2.5m then chopped it in half widthways, sewed the ends together (making it as strong as I could) and went on my merry way :)
ETA: Okay, I just read your post again and WOW did I skip most of it :redface: ^^ That's for a proper, carrying-the-baby stretchy. I'd still recommends jersey cotton, but you probably won't need 5m of it. I actually tried to wrap my belly with my HAB just yesterday and it was way too long for what I was going for... So, can't really help on the length, but Jersey cotton :)