ID satin has a bit more texture. It's more like a luster, but not quite that toothy. The Pro Satin has a very smooth surface, similar to a glossy paper, but without the hight gloss finish. Both papers are very nice. I like the weight of the Pro Satin, it also doesn't have any back printing. The ID stain is also a great paper, less expensive, and very good, just depends on what you like, and what your printing. Woth ordering a roll of both and doing the comparisons.