Design and Details Part of a coordinated system for optimized packing Customize your experience by adding on smart packing and organization accessories that meet your exact needs All of our accessories have been overhauled to offer better organization, operation, comfort and reduced environmental impact Bluesign approved main body fabrics GRS-certified 100% Recycled main body fabrics All DWR treatments made without PFAS Roll-top waterproof closure Waterproof-coated fabric and seams Rectangular shape for efficient packing Small: Best for 30 - 50 liter packs Medium: Best for 50 - 70 liter packs Large: Best for 70 - 100 liter packs Bluesign approved, 100% Recycled 40D high-tenacity nylon