Elmo twin boy & girl 1st birthday outfits. Boy girl twin first birthday outfits. Listing includes both outfits: Onesie & bottoms for boy & girl. Need a number 2 or 3? Leave me a message while checking out stating the sizes as well as the number that you need. Both of these outfits are also sold separately on my website as well. Matching accessories are also available. Girls leg warmers - barefoot sandals - headbands & hair bows as well as a birthday hat. Sizes Available: 6/9 months - 12 Months - 18 Months - 24 Months - Size 3 - Size 4