Pilot Ballpoint Pen Frixion Ball 4 0.5mm Extra Fine 4 Colors (Black, Red, Blue, Green) Light Blue (LKFB-80EF-LB)

Pilot 2-color Ballpoint Pen That Disappears When Rubbed Frixion Ball 2 0.38 Light Blue LKFB40UFLB

Pilot Multifunction Pen 4+1 Light Soft Blue BKHL-50R-SL

Pilot 3-color Ballpoint Pen Acroball 3 0.5 Clear Soft Blue BKAB40EFCSL

Pilot 4-color Ballpoint Pen Frixion Ball 4 Slim 0.38mm [Blue Black] LKFB-80UF-BB

Pilot 4-color Ballpoint Pen Frixion Ball 4 Slim 0.38mm [Gradient Light Blue] LKFB-8

Pilot 3-color Ballpoint Pen That Disappears When Rubbed Frixion Ball 3 Slim 0.38 Pearl Blue PLKFBS60UFPL

PILOT Juice 0.5mm Color Gel Ink Ballpoint Pen Pastel Blue (LJU-10EF-PL).

Pilot FriXion Ball 3 Slim Star Story Andromeda Erasable Ballpoint Pen 0.5mm LKFBS70EFS-AN

Pilot Grip Pen Ballpoint Pen In and In Gradient Soft Blue Dr. 4+1 Multi-Purpose (0.5mm Black, Red, Blue, Green, 0.3mm Sharpie) (PBKHDF1SEF3-GSL)

(Pilot) Pilot Ballpoint Pen Frixion Ball 4 0.5mm Extra Fine 4 Colors (Black/Red/Blue/Green) Gold (LKFB-80EF-CGD)

Zebra Ballpoint Light 10 4-color Pen, Clip-on G4C, Blue, Pieces, B-B4A3-LB

Mitsubishi Pencil Multi-Function Pen Jet Stream 3&1 0.7 Light Blue Easy To Write MSXE4600071P8

Pilot Grip Four Plus One Pen Black Ballpoint Gradient Soft Blue GSL Dr. Multi-Purpose (0.5mm Pen, 0.3mm Sharpie, Red, Blue, Green) BKHDF-1SEF3

Mitsubishi Pencil Multi-Function Pen Jet Stream 3&1 0.7 Light Blue Easy To Write MSXE460007.8

Pilot Grip Ballpoint Pen Mechanical Blue Body Slide Dr. 4+1 0.7mm 4-Color + 0.5mm Pencil, Body, BKHDF1SFN-L, Size 148x14.1mm, Lever, 26.3g

Pilot 4-color Ballpoint Pen Acroball 4 Extra Fine Black/red/blue/green (BKAB-45EF-CSL)

Japan PILOT FriXion Ball 2 Erasable 2-Color Ballpoint Pen (0.38mm / 0.5mm) 1 Piece

Pilot 2-color Ballpoint Pen That Disappears When Rubbed Frixion Ball 2 0.5 Blue LKFB40EFL

Pilot Writing Instrument Pen Sharp Grip Gradation Lavender Multi-purpose (Ballpoint 0.5mm Black/Red/Blue/Green, 0.3mm) Dr. 4+1 PBKHDF1SEF3-GLA

Pilot Ballpoint Pen Light Soft Blue Multi-Function 2+1 BKHL-30R-SL