Personalized Burger and Fries BFF Youth T-Shirt. Cute kawaii hamburger and french fries are best friends forever. BFF! Get one for you, and one for your BFF! Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.