This is what i used..by Pellon. it looks like a light muslin/cotton, iron on. i used a coupon of course at Joanns.
the quilt teacher,saw me looking perplexed at the stabilizer section, she asked me what i was going to use it on, and i told her, and she suggested using this..
it worked like a dream..i even pieced a few on the back of the t-shirts..i don't like to waste!