1. Material: combed cotton, polyester fabric anti-static, tear resistance, wear resistance, color fastness.
2. Color: Police Blue
3. Appearance: ironing flat clothes, neat and beautiful, no color difference, no oil stain, sweat stain and other defects.
4. Sewing stitches are straight, needle spacing is uniform and suitable, and there must be no defects such as continuous jumping, opening, leaking needle, thread head, etc. Sewing needle density7needle/30mm~14needle/30mm
5. Size change rate of finished product after dry cleaning: > 1.-1.0%
6. Degree of seam detachment at the joints of finished product surface and lining is less than or equal to that at the joints of finished product surface and lining0.5㎝
7. Formaldehyde content: <200㎎/㎏
8. PH value:5.0~7.0