For Quilting/Sewing: Very smooth writing gel ink. Great for pattern transfer/design OR doing REDWORK. Ink will disappear once heat/friction is applied!!! (Please see pictures below.) No residue. No smudging or fading For Crafting/Scrapbooking Project/Design Works: Write, Erase, Rewrite! - Erase and rewrite repeatedly without damaging documents. No wear or tear! - Thermo-sensitive Gel Ink Formula disappears with erasing friction - Smooth writing Gel Ink Step 1: Draw on fabric/paper Step 2: Apply heat on fabric/paper and ink will disappear once heat/friction is applied!!!