We have many shirt twin designs available on amazon. Great for Christmas and Birthday Gifts. Click on our brand name above the title to see our other shirts and shirt sets including Bodysuits and toddler tee designs. <ul><li>Please allow 1" tolerance on length and 1/2" tolerance on width. <li>0-3 Mo (AKA Newborn) : Length 14.5" - Width 7" <li> 3-6 Mo : Length 15.25" - Width 7.5" <li>6-12 Mo: Length 16" - Width 8.25"</li></ul>