12.5" x 24" x 2mm (Pack of 20 DEI 050212 Boom Mat Sound Damping Material with Adhesive Backing DEI 050212 Boom Mat Sound Damping Material with Adhesive Backing, 12.5" x 24" x 2mm (Pack of 20) Flash Deals - 50% OFF DEI 050212 Boom Mat Sound Damping Material with Adhesive Backing, 12.5 x 24 x 2mm (Pack of 20) A quick review So y... Sunday, February 14, 2021 Add Comment Edit