Personalized KiniArt Bulldog Puppy Youth T-Shirt. Bulldog puppy dog art by Contemporary PUP Artist, KiniArt. © KiniArt™, Kim Niles - 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.