Personalized Cavalier King Charles Spaniel Dog Youth T-Shirt. This drawing of a Cavalier King Charles Spaniel dog has pretty wreath design on a Youth T-Shirt - White gift idea. 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.