Personalized Happy Birthday with Dog and Mouse Toddler Full Zip Hooded Jacket. Dog and Mouse are excited to wish you the happiest of birthdays! Happy Birthday with Dog and Mouse Toddler Full Zip Hooded Jacket - Black, perfect for those who love this friendly duo from "Dog and Mouse" by Michelle Nelson-Schmidt. 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.