Adger Chako, blue water soluble pen. I like these because they have a sharp tip. Instructions to remove the pen markings will come along in the
Chacopen Water Soluble Dual Tip Marking Pen with Eraser Blue
2pc/lot Blue Water Soluble Fabric Marking Pen AA7211 - Price
Water Soluble Fabric Marker - Blue
My experience with Crayola Ultra-Clean Washable markers on fabric
BigKing Sewing Pen,12 Pcs 13.6cm Water Soluble Pen Washable Faded
Water Soluble Marker - Blue #60477
Water Soluble Pens for Embroidery 3ct (blue, red, purple) - Veralis
Water Soluble Pen For Veil Transfer Mesh - 3073640917936
Water Soluble Glue Pen Refill - Blue – Wooden SpoolsQuilting
Chacopen Blue or Pink With Eraser water Soluble by CLOVER, Clover
Water Soluble Pen
Clover Blue Water Erasable Pen
Forever Quilting with Dorie
Water Soluble Dual Tip Marking Pen - Stitched Modern