EGOGO Travel Sport Waist Pack Fanny Pack Bum Bag Hiking Bag with Water Bottle Holder The strap is made of durable and sturdy material, so it can be used for a long time. Short strap with a hook inside to secure keys. Tight stitching. High quality zippers. Perfect small waist pack for traveling, cycling, running, exercising, amusement park. You can put your ID cards, keys, cash, camera, phone, snacks inside. There is a water bottle holder on the right of the waist, which has a strap to tighten it so it does not fall out. The bottle diameter can up to 3.54". Behind the bottle holder, there is small zippered pocket that can hold some small things, like small tissue paper. The fanny pack is made rip-stop lightweight nylon, which is water-resistant and durable. The main zippered compartment is 16cm*7cm*16cm(6.30"*2.75"*6.30"),which can hold Iphone 6 plus easily(5.7 inches phone can also fit). The middle zippered compartment is 16cm*16cm(6.30"*6.30"),which can also hold 6 plus, but there will be very small room left. The front zippered pocket is 15cm*15cm(5.90"*5.90").