Personalized Look Whoo's 1 Toddler Long Sleeve T-Shirt. Whether you're planning a small family gathering or a big birthday party, our 1st Birthday Look Who's One Owl Birthday design is sure to delight guests of all ages. The design captures the joy and excitement of turning one year old, making it a perfect choice for a first birthday celebration. Let your baby girl shine on her special day with this charming and festive theme. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.