Personalized Christmas Flamingo Toddler Long Sleeve T-Shirt. 'Tis the Season! This Christmas flamingo adorns a festive Santa hat, presenting colorful gifts for the holidays. Merry Christmas! 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.