If you mustache I'm Going to Be a Big Sister - Birth Pregnancy Toddler Shirt Copyright Wallsparks. This copyright-protected design was created by Wallsparks, the ONLY Shop authorized to sell this product. Great Birth Pregnancy Announcement Tee Shirt for Infant and Toddlers 18 Month Infant Tee (Body Width 10 3/4 inches, Body Length 13 1/2 inches), 2T (Body Width 12 inches, Body Length 14 inches), 3T (Body Width 13 inches, Body Length 15 inches), 4T (Body Width 14 inches, Body Length 16 inches), 5/6T (Body Width 15 inches, Body Length 18.5 inches). Measurements armpit to armpit Printed with water-based, eco-friendly inks. Prints are super soft and permanently dyed in the fabric while you can't feel the print on the fabric keeping the fabric super soft and comfortable. Each print is not a transfer which means it doesn't crack or peel or wash out. Our prints will continue to feel and look great even after many washes for many years. Infant and Toddler Shirts RUN SMALL. Ribbed crew neck, Shoulder-to-shoulder taping, Double-needle stitched sleeves and bottom hem