Mobile Edge Alienware Orion M18x Messenger Bag Computer Case Nylon Fits widescreen laptops up to 18.4." Laptop compartment dimensions- 17.5" x 3" x 13.5" Checkpoint Friendly Laptop Bag, TSA compliant. Leave your laptop in the bag when passing through airport security checkpoints. Semi-Rigid front panel provides extra support and protection Loads of interior pockets to carry your gear Ergonomic backing and shoulder strap for maximum comfort Lifetime Warranty