Details Made for the littlest fans! The snaps at the inseam and shoulders make changing extra easy. Find your own coordinating style for the sweetest Mommy + Me moments! This garment is officially licensed so a portion of your purchase directly supports the university. 100% cotton Sizing Model is wearing a 12-18 mo. Measurements 0-3M width: 9 ½”, length: 15” 3-6M width: 10”, length: 16” 6-12M width: 10 ½”, length: 17” 12-18M width: 11”, length: 18” 18-24M width: 11 ½”, length: 19” Width measurements indicate the chest width from side to side. Length measurements indicate the length from high point shoulder to snaps.