Product Description Whether you use it as a minimalist fly-fishing bag or your everyday purse, the Double Shell Bag is ready for any outdoor or urban adventure you throw at it. Tough 15-ounce canvas construction. Adjustable leather shoulder strap. Double front pockets allow you to organize extra reels, flies, or just a snack. High quality roller buckles and two premium leather flap straps allow you to pack everything in and cinch it down.