Be Safe Bags Anti-Theft U-Shape with Flap (no inside zipper), Steel Strap Imported Deminsions: Small-8.25" x 6.25" x 2.25", Medium-9.25" x 7" x 2.75" A pair of 1/16" aircraft cables are sewn into the slice-proof 45" adjustable strap A drop in pocket with a double ended key leash which attaches to keys or a DayMakerTM ID Wallet (optional) Outside zipper pocket is accessible with flap secure Handy open pocket and zipper pocket outside on the body side