Personalized Cute Koala Bear Youth T-Shirt. Youth T-Shirt - Black with cute cartoon koala bear holding a carrot. Animal lover, Australia lover, Aussie gifts. 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.