Material: Outside is decorated with sequins,it’s not stretchy.Inside is with lining,which is 100% polyester,elastic. Design: Puff Sleeve,Off Shoulder,Ruched,Floor-length Suitable For Prom, Night Party, Gathering, Dating, party, Wedding guest, Ceremony, wine Banquet, Anniversary, Valentine's Day, Honeymoon and other elegant and sexy occasions. Please check the size chart in our detailed description before placing your order ,if you are Hesitating between two sizes, the bigger size will be better. Please wash by hand, no twist, air dry, no machine wash