alcohol color ink, after many strict color testing, to ensure color, performance stability.
water-based environmental protection, non-toxic and odorless, safe and assure.
The stitching is metallic, colorful and waterproof.Soft tip pen tip, elastic, feel comfortable.
Pigment ink, multiple line widths, environmental Safety non-toxic.
water- based pigment ink, low odor, non- toxic environmental protection.
