12 pieces of No-Warping canvas board individual packed - MDF(medium-density fiberboard) made backingboard, 4mm thick, when heavy-duty painting, this board Does Not warp like paper-board .
ACID-FREE - Triple acrylic gesso primed, acid-free, non-toxic. Ready for painting.
Cotton canvas- 100% cotton, medium texture. 8oz primed.
Versatile canvas panel - Perfect for painting of different media and techniques.
Bulk value pack - 12 pieces of canvas panels. Size: 9 x 12 inch.