Royal & Langnickel 18 x 24 Inch Professional Quality Artist Stretch Canvas, 12 Ounce Primed Gesso - 6 Pack Perfect for use with all acrylics, oils and other painting media Back stapled, creating staple free edges Double primed with acid-free acrylic gesso High Quality, Hand-Made & Stretched Over Kiln-Dried Stretcher Bars Primed Weight 12oz