ALVIN Canvas PanelsAn economically priced painting support. These rigid, multi-density fiberboard panels are covered with double-primed canvas. Acid-free, titanium acrylic priming Ideal for oil and acrylic painting. Packaged and sold 3 pieces shrink-wrapped (exception: 16in x 20in and 18in x 24in, which are 2/pack SuppliesNet item (CP1418)