Soy sauce tends to wash out fairly easily in my opinion...although you are dealing with PUL. Maybe soak it in Oxyclean before you wash?
wolfmamathis was not just a spot. he crawled and sat in the broccoli. [/QUOTE said::LOL Oh that sounds ever-so-familiar. Sitting in gooey stuff happens regularly around here. I was going to suggest Dawn, but you did it already. Wonderful stuff, isn't it?