One Roll 1, 5 Wide x 30" Long (38mm x 9, 1M), 002 Thick Solid Aluminum Finishing Tape, Designed for Use Along the Seams of Dynamat to Contain the Butyl Core, Aluminum Layer is Printed with the Dynamat Logo, Gives a Finished and Professional Appearance, Transparent Pressure Sensitive Adhesive SKU: DAS8020