Pentel EnerGel Pro Permanent Gel Pen

The Energel Pro Permanent, sometimes call simply the Energel Pro or Energel Permanent, is a variant of the Energel liquid gel pen that uses a permanent, waterproof pigment-based ink. The ink is quick-drying like that of all Energel pens, but it's also waterproof, fade-resistant, and fraud-proof. The Energel Pro uses the waterproof Energel LRP7 0.7
The Energel Pro Permanent is a variant of the Energel liquid gel pen that uses waterproof gel ink.

Pentel EnerGel Pro Rollerball Pens Medium Point 0.7 mm Black Barrel Black Ink Pack of 12 - Office Depot

Pentel EnerGel Permanent Gel Pen - 0.5 mm - Black

EnerGel Pro Permanent Retractable Liquid Gel Pens @ Raw Materials Art Supplies

Pentel Energel : Target

Pentel EnerGel Pro Permanent Gel Pens - Navy Blue, 2 pk - City Market

EnerGel PRO Permanent Gel Pen, (0.7mm) Medium Line, Red Ink, 2-Pk

Pentel EnerGel-X Retractable Gel Pen, (0.7mm) Med. Line, Sky Blue Ink- It's A Boy! Dozen Box (BL107SPC12)

Pentel EnerGel-X Gel Pen

Pentel EnerGel PRO Permanent Gel Pen 0.7

EnerGel PRO Permanent Gel Pen, (0.7mm) Medium Line, Red Ink, 2-Pk

Pentel Refill Ink - for EnerGel Pro Permanent Gel Pen, (0.7mm) Medium Line, Red Ink - LRP7-B

Pentel Energel Pro Retractable Gel Pen, Medium 0.7 mm, Black

Pentel EnerGel RTX Retractable Liquid Gel Pen, (0.7mm) Metal Tip, Medium Line, Navy Blue Ink, 12 Pack (BL77-CA)

Pentel EnerGel RTX Liquid Gel Pen, (0.7mm) Medium Line

Pentel EnerGel 0.5mm Permanent Retractable Rollerball Pen - Black Ink - Pack of 12 : Everything Else