Faux Fibers WILL felt
Polwarth WILL felt
BFL WILL felt
Merino WILL felt
Basically, anything that doesn't say "SUPERWASH" will felt.
Items that can felt should be handwashed in tepid water. I recommend using an agitation-free woolwash like Eucalan, Soak, or Kookabura to avoid felting, unless you're a felter.
For superwash items, though these are machine washable, I'm still in favor of handwashing handmade items. In addition, superwash fibers that contain tencel, bamboo, and other "non-wools" may felt, or melt or otherwise behave badly when placed in commercial washers & dryers.
Please note that while I do my best to accurately represent the colours in my yarns, I can’t come over & adjust your monitor so that what you’re seeing looks like what I’m seeing. I photograph my yarns using natural sunlight, or full spectrum bulbs in an effort to ensure that colours appear as accurately as possible.