We Recommend Sizing Up because Gerber Onesies runs a little smaller **********************SIZE CHART*********************** NEWBORN WEIGHT: 5-8 lbs. HEIGHT: 17-21 in. 0-3 MONTHS WEIGHT: 8-12 lbs. HEIGHT: 21-24 in. 3-6 MONTHS WEIGHT: 12-16 lbs. HEIGHT: 24-26 in. 6-9 MONTHS WEIGHT: 16-20 lbs. HEIGHT: 26-28 in. 12 MONTHS WEIGHT: 20-24 lbs. HEIGHT: 28-30 in. 18 MONTHS WEIGHT: 24-28 lbs. HEIGHT: 30-32 in. 24 MONTHS WEIGHT: 28-32 lbs. HEIGHT: 32-34 in. If you are looking for other sizes, please contact us and we will try to create you a custom order. Please message us with any questions or concerns. Thank you! The prints will vary slightly due to the hand crafting. WASHING SETTINGS: Turn garment inside out Machine wash with mild detergent NO bleach Dry at a normal dryer setting on household machines (Do not dry clean) Do not iron directly on the design. Iron inside out.