These refills are compatible with almost all standard . They will definitely meet all your needs for coloring books, crafting, doodling, scrapbooking, etc. This pen refill set can not only be applied as your own spare refill, but also can be served as a present for your family members, classmates, colleagues and friends. Features - Color: Golden. - Material: Plastic. - Size: About 14.50X0.50X0.50cm/5.70X0.20X0.20inch. - Manufactured with , practical and for use. - Premium ink, with high color rendering and flows evenly, easy to use. - Enough quantities are included, to meet your various writing, study and work demands. - The pen refills are very , allow you to write smoothly on paper. - Smooth inking and smooth writing. They can be used for writing or drawing. Package list: 1 x penholder 10 refills