Animal onesie pajamas for kids | Material: flannel.Comfortable ultra-soft flannel material that are soft to touch and keep you warm | Suitable: Party, Halloween, Christmas, carnival, cosplay costume, pajamas, birthday, New year. | Zipper,convenience to wear and off,machine washable without losing shape | Size:4T is suitable for height 37”-41”,5T is suitable for height 41”-45”, 6-8 years is suitable for height 49”-53”, 8-10 years is suitable for height 49”-53”, 10-12 years is suitable for height (53”-67”)