Slice-proof adjustable 43" to 62" non-detachable strap with a pair of steel cables. A pair of concealed zipper security leashes extend from Under the strap and Under the velcro flap to secure the outside zippers. Supersize front zipper pocket with oversized lining for bulky objects with a double ended leash for keys and optional DayMaker wallet. This model includes an open pocket with a velcro flap next to an rfid blocking organizer on front (6 card slots, 3 drop in pockets and a pen slot).The large outer open pocket has a hidden zipper compartment and a concealed smart phone pocket with velcro flap. There is an open pocket on each end (one with velcro flap and one mesh) for umbrella, sunglasses or .5L water bottle. Inside is a super-sized, pleated rfid blocking zipper pocket that is as tall and wide as the bag, two handy pleated drop in pockets and a tech pocket for Kindle or iPad mini. Being organized is a key to being safe - the less you are searching the more you can be aware of your surroundings. Dimensions: 9.5" x 7.75" x 4.5". Weight 21 oz. Material: Ballistic polyester, polyester lining , Easy care wipe clean textile. (Machine washing will disable rfid protection.) OK to use fabric protectant.