I use Dritz or J Taylor. Bought at Wal Mart. LOve spray basting. BEen doing it for years. NEver had a machine or needle problem. Would never go back to pinning. Just so very easy. Fullproof too. Always works for me. I've probably done over a hundred quilts with spray basting. As long as you tape down the bottom back nice and smooth, the rest is a piece of cake. I can then either long arm or machine quilt. Works either way!