Clear Acrylic Sealer Aerosol Spray 12oz Gloss PLAID-Patricia Nimocks' Clear Acrylic Gloss Sealer. This aerosol can contains acrylic sealer with a durable, clear coating that will safely seal many surfaces: painted, lacquered and varnished as well as safely preserve documents, prints and much more. This package contains a 12oz/340g can. WARNING: Contents are under pressure. Made in USA.