TLH Women's Plus Size Chiffon Polka Dot Dress Short Sleeves High Waist The optional sizes are Asian sizes.Asian size is two sizes smaller than US or UK size,so you'd better buy 2 sizes up. The best way is viewing these detailed size data and choose your right size: 2XL:Length=40.55in,Breast=40.15in,Waist=37.00in 3XL:Length=40.55in,Breast=42.12in,Waist=38.58in 4XL:Length=40.94in,Breast=44.09in,Waist=40.15in 5XL:Length=40.94in,Breast=46.06in,Waist=41.73in 6XL:Length=41.33in,Breast=48.03in,Waist=43.30in 7XL:Length=41.33in,Breast=49.99in,Waist=44.88in Fabric:chiffion V-Neck design,short sleeves dress,perfect for casual wear or formal occassions High waist design make more slender body curve