Mordenmiss Women's Plaid Irregular Hem Dress 90% cotton, 10% others Hand Wash or Machine Washable Softly Please kindly note: Long sleeve dress is double layers design.Short sleeve dress is not really double layer design, because we consider the hot weather, so we design this dress without layer as the long sleeve. Two styles, can wear in spring, summer, fall, winter, easy to wear alone, or match leggings, coats in cool days. Casual for daily wear, also can wear in party, evening, outdoor...... Size information: PLS read the size chart on the left or size details on Product Description, not the Amazon Size Chart beside the "size option"