Buying a Peppa Pig Backpack Purchasing a backpack for your child is a great investment. It is a great way to organize all the toys and supplies for your child, and it’s also a great way to make sure that your child is protected and secure when they go outside. Marks & Spencer Whether you are looking for a fun-filled back-to-school set, or just a stylish bag to carry around your daily essentials, the Marks & Spencer Peppa Pig Backpack is a perfect choice. This backpack features fun designs, adjustable straps, and a zippered main compartment. It’s also machine washable, so you can keep your little one’s backpack fresh and clean.