Description These Pen Refills are suitable for most standard gel pen. They will definitely meet all your needs for books, crafts, graffiti, scrapbooks, etc. This gel pen refill can be used not only as a spare refill for yourself, but also as a gift for family, classmates, colleagues and friends. Good craftsmanship guarantees its durability and safety performance, which is very useful and practical. Features -Color:Assorted color -Material:Plastic - Size: 13.00X0.25X0.25cm/5.11X0.10X0.10in -Using good and anti-wear plastic materials, they are strong and durable, support long-term use. -Portable and light in weight, and these Pen Refills are easy and convenient to carry and take. -The detailed workmanship of our pen refills will bring you a good using experience. -The pen tip will not scratch notebooks and greeting cards, and is safe and durable. -These pen refills are easy and convenient to be installed and detached from gel pen. Using good and anti-wear plastic materials, they are strong and durable, support long-term use. Portable and light in weight, and these Pen Refills are easy and convenient to carry and take. The detailed workmanship of our pen refills will bring you a good using experience. The pen tip will not scratch notebooks and greeting cards, and is safe and durable. These pen refills are easy and convenient to be installed and detached from gel pen.