18th Birthday Shirt. 18th Birthday Gift. 18 Today And Ready to Party Shirt. Birthday Party Shirt. eighteenth birthday. 18th shirt. #OS255 All our shirts are custom made and we are excited to print the shirt for you! *** Shipping and Processing time *** Production time: 1-4 business days U.S. Shipping time: 3-4 business days. *** International Orders *** Due to COVID-19 the shipping time on international orders is between 14-36 business days. Material Details Men's Shirt: [+] 100% preshrunk cotton [+] Double-needle sleeve and bottom hem [+] Loose Fit Color ash is 98% cotton and 2% polyester Material Details Women's Shirt: Please review the sizing chart. We recommend to order one size up, since the women's shirts tend to run smaller than other shirts. [+] 100% combed ringspun cotton [+] Soft baby jersey knit [+] Fitted T-Shirt Sizes Men's: [+] Small - (Width: 18" - Length: 28") [+] Medium - (Width: 20" - Length: 29") [+] Large - (Width: 22" - Length: 30") [+] XL - (Width: 24" - Length: 31") [+] XXL - (Width: 26" - Length: 32") [+] XXXL - (Width: 28" - Length: 33") Sizes Women's [+] Small - (Width: 16" - Length: 26.25") [+] Medium - (Width: 16.75"- Length: 26.75") [+] Large - (Width: 17.75" - Length: 27 3/8") [+] XL - (Width: 18.75" - Length: 28") [+] XXL - (Width: 19.75" - Length: 28 5/8")