Personalized Cavalier Spaniel Youth T-Shirt. KiniArt Cavalier King Charles Spaniel by Kim Niles. (c) Kim Niles, KiniArt - All Rights Reserved 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.