NB (0-3M) 3-6M 6-12M 12-18M 18-24M 2-3 yrs Width, in 9.06 9.84 10.63 11.42 12.20 12.99 Length, in 10.63 11.42 12.60 13.78 14.96 16.54  A parent's dream come true, this custom baby tee brings both comfort and style to the table. Made with 100% certified organic cotton (Heather Grey Melange is 85% organic cotton, 15% polyester) these baby tees are delicate to the touch and excellent for sensitive skins. With 2 self-colored poppers at the side neck and a cover seam at the hems, these tees look good as new for a long time to come. .: 100% certified organic cotton (fiber content may vary for different colors)\n.: Medium fabric (5.9 oz/yd² (200 g/m²))\n.: Regular fit\n.: Sewn-in labels