Personalized Dog and Mouse- Best Friends Men's V-Neck T-Shirt. Show off your bestie with Dog and Mouse- Best Friends Men's V-Neck T-Shirt - Red, from the children's book "Dog and Mouse" by Michelle Nelson-Schmidt. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem