Complement your AR and learn the ins and outs of its maintenance with Cerus Gear's new illustrated and easy-to-follow AR 15 Instructional ProMat. Large enough to handle a field-stripped AR-15 while clear illustrated instructions remain visible. These instructional AR-15 cleaning mats work with all Direct Impingement AR-15 and AR-10 style rifles. Lightweight, heavy-duty AR-15 gun cleaning mats are the perfect addition to your armorer's bench. Spacious 12" x 36" padded work area Non-slip textured rubber base protects your work surface Constructed of 1/8" (3mm) vulcanized rubber with a soft heat bonded polyester protects your firearm from scratches. Dye sublimation printing won't wear or rub off Solvent and oil resistant