Materials: The trousers are made of 65% polyester +35% cotton, the Tops are made of polyester + spandex. Soft and comfortable, skin-friendly, No pilling, no fading.^For the Whole Family: Classic Plaid bottoms, cute Christmas letter print, long sleeves, round neck pajama suit, Elastic waist, comfortable elasticity, easy to put on and off, perfect for Christmas celebrations.^Cute holiday pajamas matching set suitable for Christmas day and daily family party, your whole family will enjoy these comfy Christmas pajamas outfits. Stylish and unique.^Warm Tips: Each size must be purchased separately. Please check the size chart carefully before ordering.^Easy care: machine wash or hand wash. For best results, wash your clothes by hand.