Personalized Loyal and True Dog and Mouse Youth T-Shirt. Dog wanted a friend who was loyal and true, then along came Mouse, and Dog just knew. Loyal and True Dog and Mouse Youth T-Shirt - White, because sometimes the things we want most have been in front of us the whole time. 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.