These are practical and professional mark pens. The are professional enough to help the tailors and to make clothes. They are the for you to buy and send to your tailor friends. The tear-off line pen feature allows for convenient and precise coloring experience. Features -Color:Black -Material:Paper, Wax -Size:16.50X1.00X1.00cm/6.48X0.39X0.39in -These wax pencils, abundant quantity to use for a long time,better meet your needs. -They are made of paper and wax material, the tear-off line pen feature allows for easy control and precision when coloring. -They can be easily to use so that won't take too much time, which is saving time,effort and money. -These are practical crayon marker pens that have widely used in different areas. -The no-sharpen design eliminates the need for a sharpener, saving you time and effort. Package list: 12 x