Our adorable "Dear Santa, I Can Explain" personalized Christmas bodysuit for baby boy makes a wonderful Christmas gift. Featured on a high-quality 100% cotton Carter's short sleeve or long sleeve bodysuit, this adorable design is available in sizes ranging from newborn to 24 months. Size Chart: Newborn - Up to 21.5 in. / 6-9 Lbs. 3 Months (Gerber 0–3 Months) / 21.5-24 in. / 9-12.5 Lbs. 6 Months - (Gerber 3–6 Mos) / 24-26.5 in. / 12.5-15.5 Lbs. 9 Months - (Gerber 6-9 Mos) 26.5-28.5 In. / 15.5-21 Lbs. 12 Months - 28.5-30.5 in. / 21-25 Lbs. 18 Months - 30.5-32.5 in. / 25-28 Lbs. 24 Months - 32.5-34 in. / 28-30 Lbs.