it's my Bic Cristal collection : r/pens

Cristal Ballpoint Pens feature a clear barrel so you can see the available ink supply and a roll-proof, hexagon-shaped barrel for comfortable, controlled writing. Design includes a ventilated cap and brass medium point with tungsten carbide ball. Cap color matches ink color. Stick pen delivers long-lasting dependability and smooth writing and writes with consistent, sharp, effortless lines. Ballpoint pens are nonrefillable. BIC Cristal Ballpoint Stick Pens, 10 / Pack (Quantity).

Bic Cristal Original 1.0 mm Ball Pen - Green, Pack of 50

I used up all the ink in a Bic and it only took me 8 months : r/pens

The BIC Cristal - probably the best-known ballpoint in the world. It's inexpensive, it's reliable, it writes really smoothly and it's safe to say there can't be many households without at least one Cristal stuffed into a kitchen drawer. This is the Celebrate edition, with a gold-coloured barrel, available with blue ink.

Bic Cristal Celebrate Ballpoint Pen - Blue (Pack of 20)

BIC Cristal Medium Multicolour, Blue, Black, and Red Ballpoint Pens: Your Durable Partner for Smooth Writing - AliExpress

Bic Cristal Re'New, Premium Refillable Ballpoint Pen, in Black and Blue, Pack of 2 Including 2 Refills of Each Colour

BIC Cristal 1.6mm Ball Biro Pens - Various Colours - Packs Of 25

Bic Cristal Xtra Bold Point, 1.6 mm, Assorted Ink - 24 pack

BIC Gel-ocity Retractable Quick Dry Gel Pen, Medium Point, Assorted, 12-Count

BIC Cristal Xtra Smooth Black Ballpoint Pens, Medium Point (1.0mm), 500-Count Pack

Someone lost it. Now it's mine. Just a Bic. : r/pens

Bic Cristal Up Ballpoint Pens - Assorted Colours, Box of 20 Count (Pack of 1) : Office Products

Bic Cristal Ballpoint Pen MS11RED

Bic Cristal Ultimate Cricut Explore/maker Adapter

BIC Cristal reNew, with BIC Exacto refill, the perfect body and the perfect tip for me : r/pens

BIC Cristal Pens, 4 Colours Bic pens, Atlantis - BIC Ball Pens