Iron Rider®, a Motorcycle Luggage System (MLS) from DOWCO. Use separately or combined for additional storage. Made of 1680 polyester and offers generous storage, zipper pulls, plastic handles, web strapping, hide-away quick releases, rain covers and diamond plate bottom for a rugged look. These fit on the trunk or in the passenger seat. These are worth the price for the high quality they provide. Single. Black. NEW Measures 23” wide x 11 ½” high x 11 1/5” depth.