Personalized Merry Christmas Penguin Toddler Long Sleeve T-Shirt. A cute little baby penguin wearing a Santa hat holds two balloons. One with snowflakes, and the other wishes everyone a Merry Christmas! Adorable holiday gift! 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.