Easy-to-use Quick and permanent application of wall foam High volume spray nozzle Specially designed for hard-to-bind surfaces 2-Pack 24fl oz, 17 oz net weight can This is a 2-Pack. This easy-to-use spray adhesive is a must-have for quick, easy and permanent application of your wall foam. Economical and specially designed to bond wall foam to itself and other hard to bind surfaces. Spray is packaged in an aerosol can with a high volume spray nozzle. 24 fluid oz, 17 oz. net weight can.