The securely fitting Seat Bag Harness is designed to keep the Hoja series 10- or 16-liter Seat Bag Drybag in place. However, it is also a versatile product that can accommodate various other drybags or bags. Having a proper cargo space behind your seat post is a solid beginning for your bikepacking setup. - Made from durable Vinylon F fabric (the same material used in Kånken backpacks) - Attaches to the seat post and saddle rails, with an eccentric clamp ensuring a firm grip - Reflective details for visibility - Webbing channels on the top and bottom, along with three strap loops for additional packing options This product does not contain PFAS compounds.