Specification - 0.5mm fine point - The ink can disappearing at 140 degrees fahrenheit ( 60 degrees celsius ) - White ink suit for deep color fabric, usually needs 5-20 seconds for the color to appear, and will reappear at -122 degrees fahrenheit ( -50 degrees celsius) - Black, Blue, Rose Red suit for light color fabric, and will reappear at -50 degrees fahrenheit ( -10 degrees celsius) - Package: 100 x refills - Helpful temporary marking tools for embroidery, dressmaking, tailoring, shoe marking, crafts, quilting, cross stitch, needlework, cloth and fabrics sewing, arts and crafts tracing and stitching - A great item for seamstress, sewers, quilters, personal who like arts and craft NOTE: Due to some fabric may has special chemistry. Please test on the fabric before useDue to some fabric may has special chemistry. Please test on the fabric before use. Great temporary marking tools for embroidery, dressmaking, tailoring, shoe marking, crafts, quilting, cross stitch, needlework, cloth and fabrics sewing, arts and crafts tracing and stitching. Package comes with 100pcs refills, the length is 4.3" (11cm), 0.5mm fine point, offer a precise, smooth and clear line. Heat erasable ink, ironed the marks, it will disappears, no traces, no residue left on the fabric, allows the marks visible only while be needed. High temperature disappearing ink marking pens, the ink can disappearing at 140 degrees fahrenheit ( 60 degrees celsius ).White suit for deep color fabric and it needs 5-20 seconds to appear. Rose red, black and blue suit for light color fabric.Number of Pieces: 100. Color: White. Point Type: Fine. Number of Items: 100. Brand: Starsouce. Date First Available: July 9, 2020. Manufacturer: Baixt. Item Weight: 6.7 ounces. Best Sellers Rank: #47,934 in Arts, Crafts & Sewing. Customer Reviews: 4.1 4.1 out of 5 stars 179 ratings 4.1 out of 5 stars. : B08CMJTVP3. Item model number: COL-PEN-0093-GLN. Package Dimensions: 5.91 x 5.55 x 1.42 inches.