Introducing a Medium stylish and comfortable pet/dog polo shirt from Vineyard Vines. This shirt is made with 100% cotton material and features a patchwork whale design in pastel pink and blue colors. Perfect for summer, this lightweight shirt is ideal for any dog size of medium size The Vineyard Vines Pet Polo Shirt is the perfect addition to your dog's wardrobe. With a Granny Core theme and made in China, this shirt is sure to impress.