Personalized Dog and Mouse We are The Bestest of Friends Toddler T-Shirt. The easiest way to make a friend is to offer help to someone who needs it. Dog and Mouse We are The Bestest of Friends Toddler T-Shirt - Kelly Green from "Dog and Mouse by Michelle Nelson-Schmidt teaches us that friends help friends, no matter what. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.