The Dritz Chalk Wheel is great for sewing, quilting or crafting projects. This chalk wheel can be used to mark alterations and draw lines directly on a variety of fabrics. You can later erase the markings by using a slightly damp cloth. This package will include an extra blue and white chalk replacement cartridge. Details: Purple 6.75'' x 3.88'' x 0.5'' package size Draws extra fine lines Use to draw lines on a variety of fabrics Erases with damp cloth Plastic Contents: Chalk wheel Blue and white chalk replacement cartridges