Slice-proof adjustable 29?- 46? strap with a pair of steel cables and a slice proof panel in the gusset. Zipper security leash extends from the main compartment to secure the outside zippers. A pair of pull tabs on the top zipper for convenient access. Supersize front zipper pocket with oversized lining for bulky objects with a double ended leash for keys and included DayMaker wallet. This model includes an open drop in pocket next to an rfid blocking organizer (6 card slots, 3 drop in pockets, a large zipper pocket and a pen slot).The large outer open pocket has a smart phone drop-in pocket. There is an open pocket on each end (one with velcro flap) for umbrella, sunglasses or .5L water bottle (water bottle will fit if the side of the bag has room to expand inward). Inside is a super-sized, super secure pleated rfid blocking zipper pocket that is as tall and wide as the bag and four handy pleated drop in pockets, 2 large and 2 small. Being organized is a key to being safe - the less you are searching the more you are aware of your surroundings. Dimensions: 9.5" x 12.5" x 4" , Weight: 28 oz. Material: Ballistic polyester , Easy care wipe clean textile. (Machine washing will disable rfid protection.) OK to use fabric protectant. Material: Polyester microfiber, polyester lining , Easy care wipe clean textile. (Machine washing will disable rfid protection.) OK to use fabric protectant.