The OEM Pentel Energel Gel Pen PENBL57A features a deluxe liquid gel ink that combines the best qualities of both liquid and gel ink for a super-smooth writing experience. Its vivid, acid-free ink dries quickly to prevent smudging, making it ideal for left-handed writers and anyone taking notes in a hurry. The barrel accents indicate the ink color, and the pen is made with a high percentage of recycled materials, excluding consumable content and refills. This gel pen is also refillable, contributing to its sustainability.