My newborn in ended up being too big for them, only wore the white one a few times! S/M for 7-14 lbs (0-3 months) Includes three 100% cotton wrap swaddles Promotes sounder sleep: recreates the secure and cozy feeling of the womb and helps prevent the startle reflex from waking the baby Safe option: eliminates the need for loose blankets in the crib Perfect fit: adjustable tabs stay securely fastened thanks to a quiet, soft hook-and-loop closure that won’t wake baby Zips open around the bottom to allow for diaper changes without unswaddling Machine washable S/M for 7-14 lbs (0-3 months) All fabrics created free of azo chemical compounds; all packaging is recyclable and complies to the Green Dot initiative