95% Polyester, 5% Other Fibers Elastic closure Machine Wash Premium Quality and Comfort: They are made of 95% Polyester and 5% Spandex, which makes our pajamas extremely softer and more comfortable than cotton pajamas. Warm and lightweight fabric maintains its smooth touch and bright colors, even after repeated wearing and multiple cycles in the washing machine. Festive, Holiday-Inspired Design: This matching family pajama set features classic Christmas elements print in long sleeve tops and long pants, make these pjs perfect for halloween festivities. Hot-selling Sizes with Great ValueWe have 13 sizes in total, 4 sizes for men: M, L, XL XXL; 4 sizes for women: S, M, L, XL; 5 sizes for children: 2Y,3-4Y, 4-5Y,6-7Y,8-9Y. Ideal Gift Sets for Family Members: Family pajamas are the best gift for Christmas, children's birthday, or any special occasion, perfect for night wear, sleep wear, daily wear, home. Flame Resistant for Children's Safety: For children's safety, children's sleepwear should be snug-fitting or flame resistant. Ours are flame resistant and we have certification for our pajamas, we are responsible sellers, please do not worry about the safety problems. Christmas Pajamas For Family Christmas Matching Pjs Sleepwear Set