Pentel Wow! Gel Retractable Gel Pen, 0.7mm, Blue Ink, 8 Pack (K437BP8C)
The gel pen that is low in price, yet high in quality. Permanent, waterproof, fadeproof and acid-free gel ink. Triangular barrel fits comfortably in hands and latex-free grip provides a relaxed writing experience. Convenient retractable 0.7mm tip produces medium lines. Nonrefillable.