The main body material is a high density nylon twill using 250D and 450D to the thread thread. Since it is woven with high density, it has a feeling of texture on the fabric, and it has finished glossy expression with gloss. Comes with high density nylon twill fabric with water repellent finish. The attached leather is a shredded leather that uses the raw leather of black cattle. In order to produce softness of the skin of black Japanese beef, tanned with vegetable oil and tannin agent, adding dye to 12 minutes. It is fine powder of semi aniline finish to produce gentle color not only by dyeing, and it has some water repelling effect and anti stain effect. By embossing processing for 8 hours to 10 hours to produce natural shabby processing, it is a leather with a touch and feel.