NWT Ju-Ju-Be Chromatics Social Butterfly Midi Backpack. Non-smoking home. The Midi's adjustable straps, five pocket stash-capacity, and two elasticized bottle pockets offer you a full day's worth of packing. Features a light-colored lining with a silver-ion treated interior that resists bacteria, mold and mildew. With a highly stain resistant exterior, spills wipe right off. 100% Polyester 9.5" W x 4" D x 14" H