Personalized Burger and Fries BFF Toddler Long Sleeve T-Shirt. Cute kawaii hamburger and french fries are best friends forever. BFF! Get one for you, and one for your BFF! 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.