Doggy MailBox. When you give your dog the gift of a Doggy MailBox, you are giving them access to limited edition toys and treats from some of the country’s top brands. Each month you will receive a Doggy MailBox and a donation will be made to a dog rescue spreading the joy of a Doggy MailBox with deserving dogs across the country. We have goodies for dogs of all sizes, tell us how big your dog’s paws are. Limited edition toys and treats from some of the country’s top brands. High-quality and carefully sourced natural products. Tail wagging good!.