KINGART Canvas Panels Rectangular Multi-Size Set 28 Pack. This convenient set includes 28 pre-primed rectangular panels in four classic sizes (7 each of 5x7, 8x10, 9x12, 11x14) for sketching, studies, practice pieces, and finished work. Each panel features a 100% cotton surface triple-primed with acid-free titanium white acrylic gesso, providing a smooth, lightly textured ground ready to use. Panels have an 8 oz. primed weight, canvas wrapped around all sides, and a rigid backing board for a firm working surface. Ideal for acrylics, oils, pens, mixed media, collage, and craft projects, these lightweight panels are easy to transport and store. Non-toxic, animal-friendly gesso, conforms to ASTM D4234. No rules, just art. 28-pack of pre-primed rectangular canvas panels, 7 each of 5x7, 8x10, 9x12, 11x14 - 100% cotton, triple-primed with acid-free titanium white acrylic gesso - 8 oz. primed weight with lightly textured, smooth white surface - Rigid backing board for a firm working surface, canvas wraps around all sides - Lightweight, portable, and ready to use for acrylics, oils, mixed media, collage, studies and finished artwork - Non-toxic, animal-friendly, conforms to ASTM D4234.