ModelRailroadForums.com is a free Model Railroad Discussion Forum and photo gallery. We cover all scales and sizes of model railroads. Online since 2002, it's one of the oldest and largest model railroad forums on the web. Whether you're a master model railroader or just getting started, you'll find something of interest here.
I find they are thicker and stiffer than other decals and take some work to get all the bubbles out with Solvaset or equivalent, but when finished, they're effective.