100% Polyester Button closure do not bleach Feature: Long sleeve business tops, satin silk, elegant v neck, fashionable and casual loose fit Material: Smooth and shiny satin with a little stretched woven, breathable, lightweight, soft and comfortable to wear Occasion: Perfect for office work, business, daily life and outgoing Match: Our button down shirts can be matched with jeans, skinny leggings, hot pants, fashion and vintage, long sleeve button shirt is a must-have for any ladies Washing Tips: Wash recommended with cold water, do not bleach