Allegrace Women Elegant Long Sleeve Slim Casual Party Evening Long Dress Allegrace Owns Its Own Trademarks.The Serial Number:86500329. The Package Contains Allegrace Tag Elegant Long Sleeve Autumn Dress Cotton Blend Material, Soft and Breathable With Good Elastic Round Neck Long Dress Reference Size:Sizes:S(US4-6),M(US6-8),L(US8-10),XL(US10-12),if you are not sure about your size,pls choose one size up