Gas Mask FINE ART PRINT • Museum quality fine art paper • Acid-free, 100% cotton rag, lightly textured • Archival pigment inks • Signed by artist • Unframed All artwork is original, created and owned by Sandra Black. For more science art: : http://etsy.me/Qi5uoI Shop home: http://www.etsy.com/shop/sandraculliton. Come visit me at http://www.sciart.com ©Sandra Black