This Onesie is great for the Biggest/Little Gilmore Girls Fan in your life. This will make the perfect baby shower or just because gift. This is the ultimate 12 set onesie for the G.G Ultra Fan This product is created using high quality heat transfer vinyl Onesie Brands used may vary but will be of good quality. BODYSUIT/ONESIE Expandable lap shoulder neckline Fabric: 100% cotton interlock Machine wash, tumble dry low Sizing Tip: We recommend sizing up if you are on the fence. ONESIE/BODYSUIT SIZES Newborn: 17-21 in. / 5-8 Ibs. 0-3 Months: 21-24 in. / 6-12 Ibs. 3-6 Months : 24-26 in. / 12-16 Ibs. 6-9 Months : 26-28 in. / 16-20 Ibs. 6-12 Months : 26-30 in. / 16-25 Ibs. 12 Months : 28-30 in. / 20-24 Ibs. 18 Months :30-32 in. / 24-28 Ibs.