Maccase Messenger with 12 Sleeve - Black/pure Silver MacCase 4321 Nylon iBook/PowerBook Sling w/BRIGHTSIGHT Interior General Features: Black color Nylon construction Custom designed to fit 12-inch iBook or PowerBook Original, radical, compact design Padded dual compartments Rear compartment containst built-in sleeve Front compartment contains a large full width mesh pock ideal for AC adapter and cables