If you own a Sprinter Van you know how cold, loud and tinny sounding they can be. Increase comfort with DEI Boom Mat sound damping and insulation kit. Universal kits include enough insulation material to do either a short wheel base or long wheel base Van. Kits also include Boom mat damping material and spray adhesive to complete the installation along with instructions. Comfortable interior at any temperature Quick & easy installation Economical insulating solution D-MAT thermal acoustic insulation Universal kit