How To Spot A Real Louis Vuitton Montsouris Backpack。This is an authentic Louis Vuitton backpack for women. It features a medium size and a beautiful brown exterior color. The backpack is made of durable canvas material and has a brown lining color. The handle/strap material is also canvas and leather. This backpack is a part of the Louis Vuitton Sac a Dos Bosphore product line. It is a perfect accessory for any women who wants to add a touch of luxury to her wardrobe. Its in amazing condition and barely used, sad to let it go ;) Width 14 In\" Height 14 In\" Depth 5 In\". The shoulder strap is 20.28 In\". Its so great for travel. Fabulous shape!