Now your dog can show off their favorite super hero with these cool new t-shirts by Chi Wow Wow! The Marvel Comics dog clothing collection features classic Marvel Comic crime fighters such as: The Incredible Hulk, Captain America, Silver Surfer, Spiderman, The Invisible Woman from Fantastic 4, and Wolverine! All Marvel Comic dog shirts are made of comfortable, stretchable, cotton lycra fabric. Machine washable. Made in the U.S.A.