This is a FEC117 Large Q-Pads. Restores vehicles to OEM specifications to provide original quiet ride. Self-adhering, sound dampening panels designed to reduce noise levels in cars & trucks. Cuts easily with a razor blade, knife, or scissors. Acts as a waterproof barrier. #116 for doors, trunks & fenders & #117 are extra thick for floorboards. 16"x16" 4/pkg.