BUILT TO LAST Made from high-quality durable water-resistant nylon fabric, The size of it is bigger than a fanny pack, but not as big as a backpack. POINT COMFORT Two ways to make this sling backpack comfortable all day: 1) Adjustable shoulder strap 2) Breathable mesh padded form-fitting back. PRACTICAL & STYLISH The anti theft sling bag you would fit reasonable sized objects. The multi-functional storage area can carry wallet, keys, small tablets, pens, cellphone, charger. It can be folded into the interior zipper pouch, lightweight, and portable. Note If you have any problem with the products,please contact us by email,we will reply you within 24 hours andsolve it.ANYTHING is negotiable,we just want you happy.