These charming Christmas All-In-One Pyjamas are the perfect way to wrap up your little one in their nighttime clothes before Christmas Day. It s ideal for any newborn or young child, as they ll stay warm in their night clothes as they sleep. Made out of 100% Cotton, our All-in-One will also feel soft on their skin and won t irritate. All-in-One design. 100% Cotton. KEEP AWAY FROM FIRE.