Features: brand new and high quality 1x empty pen, 10x erasable refills, ample number of mixed colors, can be used for a long time. The high temperature disappearing pen disappears when the temperature reaches about 60. Used for shoemaking, clothing, leather, creative handcraft accidental mark identification line marking. The white pen can only be used for dark leather. The white color develops 5-20 seconds after writing, and it reappears at minus 50. Blue, scarlet, rose red, black, and beige are used for light-colored leather or cloth, and will reappear at minus 20. Package Includes: 1x Empty Pen 10x Erasable Pen Refills Specifications: Material: Plastic Length: Approx. 14 cm/5.51 in note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.