Everyday Carry

Paper Mate InkJoy 300RT Retractable Ballpoint Pens, Medium Point 1.0mm, Black, 24 Count

Two dozen 1.0mm retractable ballpoints with a soft grip, the oil based answer for clipboards in the garage and scorecards at the ball field.

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Mike ManningBy Mike Manning
Marine veteran, gym owner, dad
Recon Report: full review pendingPhotos: Paper MateUpdated 2026-09-17
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Product Information, Not A Review

Specs, pricing and buying notes taken from the manufacturer so you can compare this against whatever else you are looking at. I have not had this one in my hands. When it goes through real use it gets rewritten as a full review, with a rating and my own photos.

Paper Mate InkJoy 300RT Retractable Ballpoint Pens, Medium Point 1.0mm, Black, 24 Count

Quick Specs

CategoryEveryday Carry
BrandAmazon
ReviewedSep 17, 2026
Point size1.0mm medium tip
Ink typeBallpoint
MechanismRetractable, ready to write with one click
GripSoft grip designed for control over long writing sessions
Ink colorBlack
Count24 pens
BrandPaper Mate

What Stands Out

  • Ballpoint ink holds up on a damp page better than gel does
  • 1.0mm medium point lays down a bold, easy to read line
  • Retractable and ready to write with one click
  • Soft grip designed for control over long writing sessions
  • Twenty four pens is about a year of pens for a house with kids

What To Check

  • A 1.0mm medium is broad for readers who like fine lines in a pocket notebook
  • Paper Mate does not publish barrel length, weight or refill compatibility on the listing
  • A clip on a light plastic barrel takes a beating in a jeans pocket

The InkJoy 300RT is Paper Mate's retractable ballpoint, and this black 24 count carries an Amazon's Choice badge with strong monthly buy volume. It is the box you buy when pens are a household supply rather than a personal item.

Ballpoint ink is the reason to pick this one. A clipboard in a humid garage, a scorecard in the dugout, a delivery slip in a drizzle.

Fit note for the house. Nothing sharp or hazardous here, just the standard pen caution around toddlers who chew, and a 24 count box worth storing out of reach of a dog that eats plastic.

The Numbers That Matter

1.0mm medium tip. A bold line that reads across a room, which is what you want on a label or a sign up sheet. It is broad for small notebook writing.

Ballpoint ink. Oil based, so a damp page does not turn a note into a smear.

Twenty four in the box. Enough that the junk drawer, the truck, the shop and every backpack get one.

SpecWhat it decides
1.0mm medium tipBold line, less suited to fine notebook work
Ballpoint inkHolds up when the paper gets damp
RetractableOne click and it writes
Soft gripComfort over a long writing session
24 countHow long before you buy pens again

Who It Is For

The dad filling out forms on a clipboard more than journaling in a pocket notebook. If you prefer a smoother gel line and a refillable barrel, the Pilot G2 12-pack is the other side of that call. For one pen that stays in a pocket and writes upside down in the cold, the Fisher Space Pen Bullet is the upgrade.

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The Short Version

The ballpoint counterweight to a gel pen. Oil based ink does not run when a page gets damp, which matters on a clipboard in a garage or a scorecard in the dugout. Twenty four in a box means nobody has to guard theirs.

Mike Manning

MIKE MANNING

Founder, Every Dad Carry

Dad | Coach | Marine Corps Veteran

Ready to buy?

Paper Mate InkJoy 300RT Retractable Ballpoint Pens, Medium Point 1.0mm, Black, 24 Count

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