·  [Rich colors] The exquisite Koilox fine line pen set has 36 different colors with rich, vibrant, warm and cool colors. A variety of colors allows you to let your imagination run wild and have unlimited creative possibilities!

·  [Multipurpose] Koilox thin line pen is great for drawing lines or details, painting, journaling, memo, calendar, signing, writing, illustrating and coloring small patterns, etc. Perfect for kids, teachers, students, office workers and artists !

·  [High Quality] 0.4mm thin pen, durable metal coated tip, stable writing and not easy to break. Water-based ink, acid-free, non-toxic, less water, dry and safe. It is not easy to cut off water and is durable.

·  [Quality Gift] A safe pen with fine tip, very suitable as a gift for your family, friends, colleagues, classmates on birthday, Christmas and Thanksgiving.

·  [Lifetime Warranty] We promise to solve all your problems when you buy products from Koilox stores. Full refund is available, please rest assured to buy.