Personalized Happiness is Being with Auntie Toddler Long Sleeve T-Shirt. Happiness is being with Auntie! A cute aunt sloth is just hanging around with niece or nephew sloth, and they couldn't be happier! Cute gift from Auntie! 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.