Personalized Dog Best Friends Will Find You Toddler Long Sleeve T-Shirt. Sometimes the best friends we make are the ones that find us, not the other way around. Dog Best Friends Will Find You Toddler Long Sleeve Tee - Heather, from the children's book "Dog and Mouse" by Michelle Nelson-Schmidt. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.