This is a 6M 66cm size, but it fit from newborn due to the snug fit. It was a favorite and I wore it with care. There is a general feeling of use, but it's a durable make, so it seems like it can still be worn. How about it for a spare? *The 15th and 16th photos are images from the website at the time of purchase (only 4 of the items are being sold). *It will be folded small for shipping.