Lightweight crinkle nylon back-up bag from Baggallini packs flat in its own pouch and lies quietly at the bottom of your suitcase----until you need it for souvenirs, and all the little extra things you pick up along the way. Then it opens into a roomy extra suitcase for the return trip. Durable, water-resistant nylon fabric, with reinforced seams and outside double-locking zipper pocket. Its handy pouch can also be used for packing little treasures for the trip home. 18 x 24 x 7 inches. Espresso or Steel Blue.