Happy, Happy Birthday Girl! A classic, staple tank top. A timeless classic intended for anyone looking for great quality and softness. 100% combed and ring spun cotton Tri-blends are 50% polyester/25% combed/25% ring spun cotton/rayon 30 singles thread weight Side-seamedSize Guide- Select Size According to Your Chest MeasurementBODY LENGTHCHESTXS (inches)2632S (inches)2736M (inches)2840L (inches)2944XL (inches)30482XL (inches)3152BODY LENGTHCHESTXS (cm)6682S (cm)68.692M (cm)71.1102L (cm)73.7112XL (cm)76.21222XL (cm)78.7132