Sturdy canvas outer, as familiar with wind and rain as a sail on a ship. Large central compartment closes with magnetic fasteners and a zip, to keep everything inside. Interior pen slots and five organiser pockets—perfect for odds and sods. Interior zippered pocket to contain loose change, etc. Leather fittings for additional durability. Two front pockets for smaller items. Large, zippered back pocket for quick access. Sturdy, adjustable strap with comfy leather shoulder pad for easy transport.