Air Erasable Pen
Birch. Air Erasable Pens can write on most surfaces, especially, used on garments, cross stitch, patchwork, handcraft, embroidery, needlework, dress making, etc. The writing trace will vanish automatically but can also be erased by water or eraser pen. Vanishing time is 2 - 4 days. The vanishing time may vary depending on the type of fabric and the temperature & humidity of the surroundings. Test on a piece of the same fabric before use. Always remove markings prior to ironing. Pre-wash fabric prior to marking.