Description: Erasable Fabric Pen gives you precise smooth lines, which disappear like magic over air; The ink will disappear within 2-10 days from most fabrics; Perfect for marking your fabric for sizing or altering etc; Always test on a scrap fabric first before marking your work. Specification: Material: Fiber Tip, Plastic Tip Size: Approx. 2mm Package Includes: 5 Pieces Air Erasable Pen Note: WARNING: Always test this pen on a fabric sample before marking up your project. Some fabrics contain chemicals which may inhibit ink removal. Please allow a little size error due to manual measurement. Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the item's color may be slightly different from the pictures. Please understand