Personalized Happy Birthday Daddy Party Outfit Toddler Long Sleeve T-Shirt. adorable happy birthday Daddy message for boy or girl with cat and birthday party balloon 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.