Amazon.com: Loungefly Harry Potter Mini Backpack : Clothing 。Harry Potter Potions Mini Backpack Headed off to potions? Carry all of your wizarding essentials in this Harry Potter mini backpack! Perfect for stashing your quill and copy of Advanced Potion Making! Features an allover print of potions, bubbles, cauldrons and more, plus more potions printed on the front zipper pocket. Comes with an embossed Polyjuice Potion bottle on the front, adjustable straps and side pockets. Complete with an interior zipper pocket and top carrying handle. 8\'\' x 4\'\' x 11\'\' Polyurethane New with tags