MLB PET Apparel. - Licensed Baseball Jerseys, T-Shirts, Dugout Jackets, CAMO Jerseys, Hoodie Tee's & Pink Jerseys for Dogs & Cats Available in All 30 MLB Teams & 7 Sizes. Pets First premier Manufacturer of innovative oat clothing and accessories Baseball team colors and logo. Constructed of breathable micromesh polyester, V-neck cut is stylish and comfort fitting. Manufactured in China