The value Series Primed Smooth Artists Panels from Ampersand can be used as versatile surfaces for use with all forms of paint, dry or mixed media. They are a finest top quality MDF panel sealed with acid-free acrylic gesso with primed-smooth surface that is especially suited to with a highly detailed-intricate approach. The durable rigid medium density fibreboard support also makes these them ideal for palette-knife painting & multi-media applications. These boards come in three thicknesses of 3mm (1/8”), 22mm (7/8") & 38mm (1.5”), in a range of sizes from 20.3cm x 20.3cm (8 x 8”) up to 45.7 x 60.1cm (18 x 24”). Sizes Cm Inches 20.3 x 20.3 8 x 8 50.8 x 50.8 20 x 20 20.3 x 25.4 8 x 10 22.9 x 30.5 9 x 12 27.9 x 35.6 11 x 14 30.5 x 30.5 12 x 12 30.5 x 40.6 12 x 16 Compare the Ampersand Board Range