This combo pack includes one Sewline Air Erase pen and one Chaco while chalk marker. 
 
Sewline Air Erase Pen
This marker has a ceramic roller point for smooth marking on fabrics. Special self-erasing ink gives a sharp, clear line which gradually fades away over several days then disappears completely and will not reappear. If changes are needed, the ink lines can be erased by dabbing with water.
 
Color: Pink and Red Pen
Made of: Plastic
 
Chaco White Chalk
Pen style Chaco liners fine point permits accurate drawing of both straight lines and free hand curves. The fine point makes lines and marks more visible and is easy to use with a straight edge ruler.
 
Color: White
Made of: Chalk
Use: Chalk Marker