Personalized Dog and Mouse Long Sleeve T-Shirt. This unlikely pair found their very best friends in each other. From the children's book "Dog and Mouse" by Michelle Nelson-Schmidt comes Dog and Mouse Long Sleeve T-Shirt - Red. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL