DUNCAN-Aleene's Acrylic Sealer Aerosol Spray. Easy and even application that works on a variety of surfaces from cardboard and bisque to stone. This sealer provides a protective coating that is water and weather resistant. Available in both Gloss and Matte: each sold separately. This package contains one 6oz/200ml can. Contains no CFC's and conforms to ASTM D4236. Made in USA.