Black “Gin & Tonic” cotton t-shirt for dogs From the summer collection here is the highly anticipated line of T-shirts for dogs by Ferribiella: This model is made with 95% cotton and 5% spandex which makes it elastic. It is sleeveless and very well finished. On the back it has a very nice printed writing and on the side there is the Ferribiella rubber logo. Very comfortable garment also suitable for sleeping as a pajamas. The t-shirt is packaged in an original tube with the color and print of the shirt itself.