Ink color : Black Ink , Ink Type : Water - Based;Weight : 48g (1.69 oz) , Dimension : (W) 135mm (5.31 inch);Body Material : Plastic, Tip : Drawing;Quantity : 3 Pcs;Outstanding Water & light resistance, The perfect choice for archive document, Excellent for Calligraphy of quest book, Non- Permanent Fiber Tip pen