Rich, smooth, and vibrant meet the midnight hue that never fades! This water-based ink flows effortlessly through fibre tip pens making it the perfect pairing for The Wren writing tips. Unlike our Fountain Pen Inks, this ink is designed to give writing a ‘smooth start’ with no scribbling to warm the pen up necessary making it as reliable as it is versatile. Details: 50ml glass bottle Suitable for The Wren and the Lumos Pro & Mini. Water-based, acid-free, non-toxic, and vegan-friendly.