Slice-proof adjustable 26" to 41" waist strap with a pair of steel cables and velcro buckle security wrapper. A zipper security leash in the back seam secures the outside zippers. Large front zipper pocket with oversized lining for bulky objects (even a .5L water bottle) with a double ended leash for keys and optional DayMaker wallet. Inside is a super-sized, pleated zipper pocket that is as tall and wide as the bag. Being organized is a key to being safe - the less you are searching the more you are aware of your surroundings. Dimensions: 6" x 10.75" x 4.5" , Weight: 13 oz. Material: Polyester microfiber, polyester lining , easy care machine washable, gentle cycle, mild soap, cold water, and tumble air dry no heat. OK to use fabric protectant.