Dupont Backpack Bag. Waterproof Tyvek Fyber Forma Material. Zip Top Entry. Adjustable Straps. Interior Pockets. Top Hang Handle. Solid Black. Dupont Logo. Interior says Invent a Better Now. Pre Owned. Excellent Like New Condition. (this listing is for 1 bag but I have 2 of these bags. please contact me if you would like to purchase both bags)