Materials: [Digital cartoon printing, will not fade, do not refer to these poor reviews all, just order one size up or check the size chart ！！]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.