You can stamp on all kinds of fabric, it just depends on your fabric paint. u003cstrongu003eRead the label of your fabric paint to double-check if it’s suitable for use on your fabric.u003c/strongu003eu003cbr/u003eu003cbr/u003eIf you use a fabric prone to wrinkles, iron the napkins before stamping them. And if you’re using thin fabric, add paper beneath to ensure the paint doesn’t seep through the fabric.