KEY LOCKS ; REMOVABLE DIVIDER ; DUAL LID SUPPORT BRACKETS ; SAFETY STRAP FOR LAPTOP COMPUTER ; DETACHABLE PADDED SHOULDER STRAP ; DENSE FOAM-PADDED INTERIOR ;FOR ADDED PROTECTION ; MULTIPLE POCKETS FOR CELL PHONE, ;DISKS & PDA ; STURDY ALL-ALUMINUM BODY WITH ETCHED MATTE SILVER FINISH; DELUXE 4";; EXTERIOR DIM: 18"H X 13"W X 4"D ; INTERIOR DIM: 17"H X 12"W X 3.25"D Petra