Polyester fiberWe are Asian size,The size run small, we suggest you Ordering one or two size larger than your typical size in a US store.? Maded In Good Quality, Lightweight soft material for a comfortable feminine touch? Collar:O-Neck // Sleeve Length:Short? Package include:1PC Shirt?Ware to parks, parties, dates, movies, and more!?If There Is Any Question About This Dress When You Received. Please Contact Us At First. We Will Give You The Best Service!