Personalized First Birthday Happy Owl Women's V-Neck T-Shirt. Our 1st Birthday Look Who's One Owl Birthday design is ideal for celebrating your baby's first year of life. The cartoon owl adds a playful touch, making it a fun and festive choice for the occasion. Whether you're looking for invitations, decorations, or party favors, our design is versatile and can be used in a variety of ways to make the celebration extra special. 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