Blick Premier Museum Profile, Professional Stretched Canvas. Heavyweight, Premium-quality, Heavy duty 10-ounce, 100% Natural Cotton Duck Canvas, Medium Tooth and Texture, ideal for heavy paint application; 2 3/8” Heavy Duty Frame; canvas is base coated with Acid-free, pH-balanced Archival quality Acrylic Titanium Gesso priming. Hand Splined to Heavy-duty Stretcher Bars for Tight, Even Stretch- Taut Canvas and Tailored Corners. Clean, staple-free edges - beautifully fitted and perfect for frameless display. Kiln-dried, solid wood frame— Warp-resistant Stretchers with Mitered Corners. 18 x 24 x 2-3/8” Profile