Noodler\’s Bottled Ink are all hand made 100% in the USA in small batches with unique labels often matching the inspiration of the color. With a wide range of colors and ink properties, good performance can be found on all kinds of writing papers, including those not considered fountain pen friendly. Color Family –Red Size: 3oz Fluorescent: This ink glows under some wavelengths of UV light. The ink color you receive may differ from the one pictured. Because Noodler\’s inks are hand made in small batches, the colors can vary slightly from one bottle to another. Because Noodler\’s Inks are filled to the brim, we recommend care be taken when first opening to avoid ink spillage.