
18ml/30ml/50ml Premium Waterproof Pigment Fountain Pen Ink. Waterproof & Fadeless: Ink is waterproof, light-resistant, and fadeless without paper fainting. Multiple Volume Options: Available in 18ml, 30ml, 50ml, 60ml glass bottles, plus 1L, 20L, 25L barrels. Custom Color Service: Custom colors available with 24 standard swatches including Black, Red, Blue. Certified for Shipping: Supports cargo shipment with MSDS, CNAS, and ISO14001 certifications. Direct Manufacturer: Direct ink manufacturer specializing in various pen ink types. Fast Drying Formula: Non-toxic ink dries faster and protects the nib for smooth feed. Versatile Application: Suitable for office, school, home, calligraphy, art creation, and gifts. Standard Packaging: Standard package of 180 bottles per carton for secure transport.