Personalized Hippo 2nd Birthday Women's V-Neck T-Shirt. Hippo 2nd Birthday! I mean Happy 2nd Birthday! A cute, smiling hippo wearing a birthday hat sits in front of a birthday cake ready to blow out the candles. Cute second birthday gift for the two year old 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit