ChongXiao Womens Summer Spaghetti Strap Back Hollow Out Casual Chiffon Mini Sun Dress Chiffon Material Size S=US Size XS,Size M=US Size S,Size L=US Size M,Size XL=US Size L,Size 2XL=US Size XL,Size 3XL=US Size XXL. Please compare your body measurement with the size chart and choose your size Spaghetti Strap style,with lining inside to protect you Loose style,tunic mini dress, for summer beach wear, for usual hang out wear ,for evening party wear,etc Back hollow out design makes your summer cool and sexy