Slice-proof adjustable 29" to 46" strap with a pair of steel cables, except Black has strap without steel and is not slice-proof. Tuck in flap security. Can easily be concealed under a coat. There is a diagonal zipper under the flap, a drop in pocket with key leash, an open pocket and diagonal zipper on the back. Being organized is a key to being safe - the less you are searching the more you are aware of your surroundings. Dimensions: 9.25" x 7" x 2.75" , 15.5 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.