Secures into Duffle bag with Velcro and plastic buckle. Can be used as a regular protective sleeve when removed from Duffle. * Product Material: Nylon twill * Product Weight: 0.45 lbs. * Laptop Compartment Dimensions: 15" x 11" x 1.5" * Same as sleeve that comes with Weekend Warrior Duffel * Can be used separately on its own or in another bag * Padded and lined interior, oversized front flap, flat rear pocket