Extra Foam for keeping Shape & ComfortWe noticed that most fanny packs on the market today are made of nylon stitched together, which makes it hard to hold its shape(It's actually wrinkled most of the time), and even the key may rub against us through the thin fabric. So we added extra foam on the back to keep the shape even when empty. At the same time, it separated the bag's contents to avoid friction with the skin. Adjustable Belt & Durable BuckleYou can adjust the length for a comfortable fit, or vary the length as a crossbody bag, bum bag, waist bag, or everywhere belt bag to match your daily outfit. Expands up from 29 to 47 inches to meet various needs. We are detail-oriented, after comparing a variety of materials, we finally chose this strong and durable buckle which still works well after thousands of open-close tests. You don't need to worry about your waist packs will accidentally opening. Large capacity- 4 Zipper PocketsRummaging for your keys in a fanny pack pocket full of stuff can be maddening. More pockets for better storage, helping you find what you want faster.2 Roomy main compartments with space for all your stuff, including 2 mesh slots to keep your item neat and organized.2 zippered front bags can be used to store keys and cards without worrying about the keys scratching your phone. Water-resistant MaterialsOur everywhere belt bags are made of new-generation water-resistant polyester to protect your items from raindrops, sweat, and moisture. A wider belt can distribute the weight youre carrying more evenly.its extremely lightweight and carries your things without holding you back.