Ampersand Art Supply's Museum Series Claybord is made from our premium warp-resistant 1-1/2" profile FSC-Certified Hardbord that is sealed and protected with our proprietary Archiva-Seal and coated with an ultra-smooth, highly absorbent acid-free kaolin clay ground that is perfect for mixed media. The surface is sanded to an ULTRA-smooth, highly absorbent finish so your paint colors remain true and brilliant. The unique clay surface allows for unlimited techniques – etching, erg, reworking, adding color and scratching it away to add contrast, texture, and fine details. Claybord is perfect for many fine art uses including pigmented and alcohol inks, gouache, egg tempera, acrylic, airbrush, graphite, pencil, pen, watercolor, casein, collage, scratch board and mixed media. Your final artwork on Claybord can even be sealed and displayed without glass. Only Ampersand builds cradles by hand with premium-grade, 13-ply birch plywood for maximum stability and a clean, finished look from edge to edge. Choose from 1/8", 3/4" and 2" deep cradles, offering support and presentation all-in-one. All Ampersand Museum Series panels are eco-friendly, formaldehyde-free, and proudly handcrafted in the USA. "MADE IN THE USA: Unparalleled quality and craftsmanship has made Ampersand Art Supply the leader in painting panels for over 25 years. HIGH-DENSITY HARDBOARD CORE: Ampersand’s premium, warp-resistant, FSC-Certified Hardbord will ensure your artwork is supported to prevent damage from warping, bowing or movement. LIMITLESS TECHNIQUES: Unique clay ground allows artists to etch into the surface to add contrast, texture and details. Erase with oil-free steel wool or very fine sandpaper. OUR ULTIMATE MULTIMEDIA PANEL. Perfect with ink, gouache, egg tempera, acrylic, airbrush, graphite, printmaking techniques, mounting and more. MUSEUM-QUALITY CLAYBORD: Acid-free kaolin clay on warp-resistant Hardbord - Highly-absorbent, ultra-smooth multimedia art surface.Product Dimensions: 12"L x 9"W. Item Weight: 1.45 Pounds. Material: Wood,Acrylic,Steel. Color: 1.5 Inch Depth. Brand: Ampersand Art Supply. Date First Available: June 18, 2012. Manufacturer: Ampersand Art Supply. Item Weight: 1.45 pounds. Is Discontinued By Manufacturer: No. Best Sellers Rank: #230,007 in Arts, Crafts & Sewing. Customer Reviews: 4.0 out of 5 stars 2 ratings 4.0 out of 5 stars. : B008CIXPZO. Item model number: CBSCG0912. Product Dimensions: 12 x 9 x 0.99 inches.