Quilted Backpack Dog. Send your little one off to preschool with an adorable Stephen Joseph Quilted Backpack. Kids love these unique, fun and colorful packs, and Moms love them because theyâ??re easy to care for and can also double as a diaper or change bag. Each style of Quilted Backpack comes with a beautifully embroidered design and a fun, coordinating zipper pull â?? making them as individual as your child is.