Xtreme Mats under sink cabinet mats are capable of holding 1.3 to 3 gallons of water in the event of a leak or product spill. Our liner will also protect from stains, scratches, chemical spills and much more. The mats are designed to fit many different cabinet manufacturers base cabinets. Xtreme Mats unique design ensures a snug fit reducing the potential for water damage to the cabinet and possibly floors. Our mats can be installed in any base cabinet with or without a center support. The mats are pliable and produce no VOC's. We have designed channels in the mat that will direct any liquid to a water sensor (sold separately) that will siren when liquid comes into contact with the sensor.