Epson Exhibition Canvas Matte is an acid free, lignin free heavyweight cotton-poly blend, this elegantly textured canvas features a matte non-reflective surface with a bright white point, exceptionally high Dmax and wide color gamut. The canvas base is enhanced with elastic polymers providing high tensile strength and flexibility for gallery wrap stretching without cracking.
Paper weight is the general thickness of a paper. The greater the paper weight, the heavier, thicker, and sturdier the paper is. Papers with more bulk hold up well when there is heavy ink coverage. For full color photos from your desktop, thicker inkjet photo papers are best. However, some desktop printers may not handle thicker papers well, especially if the printer doesn't have a straight paper path.