Using this Loungefly McDonald’s Big Mac Mini Backpack is super easy. Just unzip the Big Mac box - shaped enamel zipper charm to access your belongings. The adjustable shoulder straps let you find the most comfortable fit for you. When you're out and about, this backpack will keep your essentials safe and make you look great. As for maintenance, use a soft, damp cloth to gently clean the vegan leather if it gets dirty. Avoid using harsh chemicals as they might damage the material. Also, don't overstuff the backpack to keep its shape. Keep it in a cool, dry place when you're not using it. And remember, it's an officially licensed product, so take good care of it!