All 4 prints in this Kollection come in adult size, baby size and kid size! Baby is the double zipper onesie with snuggle cuffs option on hands and feet (newborn to 18-24m) and kid size is a 2 piece (2T-10/12) Kamp wears 5/6 (could do 4T too cuz they’re soooo stretchy soft) and Kolly wears 7/8 and Boss wears 10/12