Cousin-saurus Rex dinosaur trex surprise party cute baby onesie shirt Infant, Toddler & Youth Shirt

100% soft cotton, Heather colors are 90% cotton/10% polyester Gerber onesie size chart:0-3 Months: 6-12 Ibs. weight, 21-24 in. height3-6 Months: 12-16 Ibs. weight, 24-26 in. height6-9 Months: 16-20 Ibs. weight, 26-28 in. height12 Months: 20-24 Ibs. weight, 28-30 in. height18 Months: 24-28 Ibs. weight, 30-32 in. Rabbit Skins Baby One-piece Bodysuit measurements: Newborn: 14.5" Chest, 11.5" Body Length (Up to 9 lbs.) 6 Months: 17.5" Chest, 12.5" Body Length (10-16 lbs.) 12 (12-18) Months: 19.5" Chest, 13.5" Body Length (17-20 lbs.) 18 (18-24) Months: 21.5" Chest, 14.5" Body Length (21-24 lbs.) ** For the baby onesie or bodysuit, we use either Gerber or Rabbit Skins. Let us know if you have a preference. Rabbit Skins Infant & Toddler Shirt measurements (Armpit to Armpit): 6 Months (10" Body Width, 12.5" Body Length) 12 Months (11" Body Width, 13.5" Body Length) 18 Months (12" Body Width, 14.5" Body Length) 2T (13" Body Width, 15.5" Body Length) 3T (14" Body Width, 16.5" Body Length) 4