Woolino sleep sack Color: Purple Stripes Size 2-24M- see photo with size guide Good preowned condition- there are a few small pinholes inside the sleep sack both sides bottom as noted in photo but does not go all the way through, just first layer (inside only hole is not on the outside) Wool is naturally temperature regulating -It’s suitable for room temperature 63-75F (17-24C). Because of merino’s unique ability to regulate body temperature, it helps keep your baby warm when it's cold and cool when it's hot. Grows with your baby It has a universal size so it can be used for babies 2 months up to 2 years old. For smaller babies, simply close the underarm snaps to adjust the fit. It features double shoulder snaps and a two-way side zipper, so it opens up completely flat for easy dressing without waking the baby. For easy nighttime diaper changes, you can open the bottom only. Zipper-pull guards protect baby's skin and discourage baby from chewing on the zipper pull.