Seawhite Stretched Student Canvases - 16 x 20 Inch - Box of 15Seawhite Stretched Student Canvases are an excellent, economy painting surface that don't compromise on performance. Much like Seawhite's other bestselling canvases, they come pre stretched over a sturdy wooden frame and feature staple free edges to give you a clean, professional looking finish. The double coating of high quality universal primer on these canvases makes them great for use with both acrylic and oil paints, and the acid free, 280gsm,