Cigar Box Humidor patent art stretched canvas print. This patent art design is printed on a satin finish canvas and hand stretched over a solid wood frame. These high quality canvas prints look great in any room! For more amazing art designs! No matter how many you order! Canvas Details: – Hand stretched & glued – Poly-cotton blend canvas – 20.5 mil thick canvas – Fade-resistant – Matte-finish coating Printed On Demand.