ViaStone, Biodegradable, Premium Photo Paper, Matte, 100 Sheets 8.5' x 11", 9.6 mil, 252g/m2 Water Resistant, Ulta High Resolution, Chlorine Free, Over 3000 DPI, Tear Resistant, Smear-Resistant, Instant Drying, For All Ink Jet Printers, Made From Stone, Tree Free and Sustainable Item Weight: 3.4 pounds ViaStone is more than a paper alternative made from stone. It is a paper alternative made without deforestation, without water consumption, and without bleaching. Ultimately, it is an alternative we can embrace to offset the environmental imbalance existing in our ecosystem.