95% Polyester, 5% Spandex Button closure Machine Wash 95% Polyester, 5% Spandex, Soft and comfortable, not easy to wrinkle.This pajama is slim fit, go a size up for more relaxed fit. Button top with slit design shorts. The elastic elastic waistband ensures that your shorts are stable and comfortable.If you like it loose, please order a larger number. pajamas, pajama party,lougewear, vacation and homewear. Casual style, not embarrassing even if guests come Birthday, Christmas, New Year, Valentine's Day, bridal party gifts, honeymoon holidays or other holidays or anniversaries, the perfect gift choice for girlfriends, wives, mothers, sisters or friends. Hand-Wash gently or Machine-Wash with laundry bag.