Personalized Dog Best Friends Will Find You Drawstring Bag. Sometimes the best friends we make are the ones that find us, not the other way around. Dog Best Friends Will Find You Drawstring Bag - Black, from the children's book "Dog and Mouse" by Michelle Nelson-Schmidt. A durable and versatile cinch bag built to handle daily use. . With its lightweight design and reinforced corners, this pack is perfect for the gym, travel, or everyday activities.