✍️ Smear Resistance Fast-Drying Ink: GELETER's exclusive ink is of archival standard, ensuring our durable inks are of superior quality and resistant to smearing, tampering, and water damage; an ideal choice for professionals, hobbyists, and who in-between. ✍️ Smooth Grip Pen with Ruler: GELETER's pen boasts a comfy smooth grip and a built-in 3.94in ruler on the barrel. This thoughtful addition ensures a comfortable and effortless grip for extended writing sessions while providing the convenience of measuring on-the-go. Perfect for anyone who needs a quick measurement without leaving their writing instrument. ✍️ Convenient Retractable Pens: GELETER pens feature a retractable tip to avoid ink smudges. One click extends the tip for use, and it retracts after, simple and stress-free. ✍️ Ideal Gifting Choice: These aesthetically pleasing pens serve dual roles as both practical tools and stylish school accessories for all genders and ages, from classrooms to office spaces. They make excellent prizes for educational settings, thoughtful supplies for religious studies, and delightful presents for birthdays, holiday stockings, and Christmas lists. ✍️ Packed Inside: With the purchase of 5 smooth-writing, beautifully designed 0.5mm gel pens, you will also receive a set of 5-colored writable classification index stickers, making it easy for you to leave clues where needed, providing more convenience for your study, work, and life. updated