HARRY POTTER Retro Bag Gryffindor. Harry Potter Gryffindor House retro bag is perfect for carrying all the essentials. It features the famous Gryffindor House crest logo. The bag features a shoulder strap, zip to close, front pocket and inside pocket and the lining has a repeat print of the Harry Potter logo. It is a great addition to any Harry Potter collection. Perfect gift to a true Harry Potter fan.