I'm a new convert to basting spray.. I use 505 and it is AMAZING! If you get it one surfaces there is a chemical the company recommends for removing it.. so I use old rolls of cheap christmas wrap to catch the overspray. It says it can be used on synthetic or cotton batting.. it is EXTREMELY flammable so use in a well ventilated room with NO flames around. I love it because you can peel the fabric up and replace it if needed. It's truly amazing.