Originally Posted by pgthom
PLU is a manufacturer's abbreviation for a waterproof type of fabric. (Can't remember what is stands for...senior moment!) It is used for diaper covers, raincoats, lunch bags, things like that. It comes in pastels, white and some prints. Very pricey, at least $13. per yard. Luckily, you don't need much to make small items.
Edit: It's PUL, not PLU. Poly Urethane Laminate. I was at the fabric shop and looked at the label. $9.95-12.95/ yd. Field's Fabrics is my local source and they have a website.