- size up to 24 months - it is used but lots of life left, does its main function keeps the baby warm - it is light weight but very warm, filled with merino wool inside, soft cotton outside - double zipper - adjustable snaps - there is some discoloration see photos - also there are little holes in several places around the trim but it doesn't affect the zipper in any way. This more like cosmetic flaw. The holes are smaller than they seem on photos. It is a great sleepsack and it will last ling time, cause it's pretty roomy. Overall fair condition but the price reflects that