$21.99and up
TUL® Fine Writing Solid Metal Barrel Retractable Gel Pen with 2 Refills, Medium Point, 0.7 mm, Gunmetal Barrel, Black & Blue InksOffice Depot & 1 moreSAVE $4.12
$5.29$9.41
PILOT FriXion Clicker Erasable, Refillable & Retractable Gel Ink Pens, Fine Point, Black/Blue/Red Inks, 3-Pack (31467)Amazon$7.99
Blue Ink Refills 4.5inch (10pcs), Replaceable Ballpoint Pens Refills, 1mm Medium Point Metal Pen Refill(Blue)Amazon$5.49and up
Pilot, FriXion Ball Gel Ink Refills for Erasable Pens, Fine Point 0.7 mm, Pack of 3, BlueAmazon & 3 more$1.47and up
Pentel EnerGel Liquid Gel Refill, 0.5mm, Needle Tip, Blue InkGlobal Industrial & 3 more$2.00
Blue Ink Refill For Metal Beaded PensEtsy$7.33and up
Pentel® EnerGel Liquid Gel Pen Refills, Bold Point, 1.0 mm, Blue Ink, Pack of 2 RefillsAmazon & 1 more$9.99
Pilot Frixion erasable pens refill, 9 refill bundle Blue color gel ink fine point 07 (Blue)Amazon$5.39
Zebra Steel F Ballpoint Pen Refill, Medium Point, Blue Ink, 2/Pack (ZEB85422)Staples$5.99
uni-ball Vision Elite Rollerball Pen Refill, Bold Point, Blue/Black Ink, 2 Pack (61234PP)Staples$13.99
Cross® Mini Ballpoint Pen Refills, Medium Point, 0.8 mm, Blue Ink, Pack Of 2Office Depot$25.26
Refill for Parker Ballpoint Pens Fine Conical Tip Blue Ink 1950368NeweggSAVE $0.58
$8.15$8.73
Pilot, FriXion Ball Erasable & Refillable Gel Ink Pens, Fine Point 0.7 mm, Pack of 3, Black, Blue, & RedAmazon$5.99
Pilot, Precise V5 RT Refillable & Retractable Liquid Ink Rolling Ball Pens, Extra Fine Point (0.5mm), Black/Blue/Green/Red, Pack of 4AmazonSAVE $4.85
$9.59$14.44
Pilot, Precise V5 RT Deco Collection Refillable & Retractable Liquid Ink Rolling Ball Pens, Extra Fine Point 0.5 mm, Black/Blue/Red/Green/Purple, Pack of 5Amazon$2.72
Sanford Uni-ball Signo 207 Gel Pen Refill, 0.7mm, Blue Ink, 2/PackGlobal IndustrialSAVE $3.49
$6.50$9.99
Pentel Refill Ink for EnerGel Liquid Gel Pen / 0.7mm Blue Ink / Value Set of 10 RefillsAmazon$7.69
VILLFUL 20pcs Metal Pen Pen Refills Black Ballpoint Pen Ink Pen Refills Pen Replacement Refills Pen Ink Refills Blue Replacement Ink Pen Refills Decor Apprentice FlashAmazonSAVE $1.36
$14.84$16.20
Pentel Refill Ink For EnerGel and Lancelot Gel Pen, (0.7mm) Metal Tip, Sky Blue Ink, Pack of 12 (LR7-S)Amazon$7.60and up
Pentel Refill Ink for BL57/BL77 EnerGel Liquid Gel Pen, 0.7mm, Metal Tip, Blue Ink, Box of 12 (LR7-C-12)Amazon & 1 moreSAVE $4.83
$13.77$18.60
Pentel Refill Ink - For EnerGel PRO Permanent Gel Pen, (0.7mm) Medium Line, Blue Ink - LRP7-C, 12 Count (Pack of 1)Amazon$7.99
HUJUGAKO Blue Gel Pens Refills Set,24 Color Refills 100% More Ink, Fast Drying Ink Refill for Kids Adults Coloring Books Drawing Crafts Scrapbooks Bullet Journaling 2 PackAmazon$24.86
Montblanc Ink Bottle Royal Blue 105192 – Premium-Quality Refill Ink in Deep Blue for Fountain Pens, Quills, and Calligraphy Pens – 60ml InkwellAmazon$12.23
Pilot Bottle-2-Pen (B2P) - Retractable Premium Gel Roller Pens Made from Recycled Bottles (2 Count) Fine Point Blue G2 Gel Ink, Refillable.Newegg$8.51
Pentel Refill Ink for HyperG Gel Pen, 0.7mm Line, Permanent, Blue Ink, 2 Pack (KLR7BP2C)Newegg$16.73
Monteverde Monteverde Bottled Ink Pen Refill Nib Point Blue Ink (G308TQ)Newegg$15.87and up
Monteverde Fountain Pen Ink Bottle Refills, 90ML, Blue/Black (G308BB)Amazon & 1 more$5.56
20 Pieces Blue Ink Erasable Gel Ink Pen Refills Fine Point 0.5mm Replacement Gel Pen Refills for Erasable Pens Office School Writing Stationery SuppliesAmazon$3.00
3 Black Or Blue Ink Refills For Bubblegum Beadable Pens, Refills Pen, PenEtsy$4.49and up
Pilot G2 Gel-Ink Pen Refill, Bold Tip, Blue Ink, 2/Pack (77290) | QuillQuill.com & 3 more$2.99and up
Pilot G2 Gel Ink Refill, Fine, Blue Ink, 2/PackGlobal Industrial & 2 more$39.99
PARKER IM Fountain Pen, Matte Blue, Fine Nib with Blue Ink Refill (1931647)Amazon$0.74
10pcs Replaceable Ballpoint Pen Refills Blue Ink Ballpoint Pen Refills for Writing Office School Supplies Useful and ProfessionalAmazonSAVE $2.78
$13.42$16.20
Pentel Refill Ink for EnerGel Pen Needle Tip, Fine, 12 Pack, 0.5mm, Sky Blue (LRN5-S)Amazon$11.49
VILLCASE 100pcs Colored Glitter Pen Ink Refills for Pens Blue Gel Pens Medium Point Gel Ink Pen Refills Cross Gel Rolling Ball Refill White Outfits Gel Ink Pens Metal Gel RefillAmazon$5.99
uni-ball 207 Impact RT Gel-Ink Pen Refill, Bold Tip, Blue Ink, 2/Pack (65874PP) | QuillQuill.comSAVE $0.75
$7.92$8.67
Pilot Frixion Gel Ink Pen Refills, Fine Point 0.7mm, Navy Blue Ink (3 Packs of 2 Refills each)Amazon$7.30
PILOT G2 Gel Ink Refills For Rolling Ball Pens, Ultra Fine Point, Blue Ink, 2-Pack (77288)Newegg$50.64
PARKER IM Fountain Pen, Brushed Metal, Fine Nib with Blue Ink Refill (1931649)Amazon$7.99
Giantree 200 Pcs Beadable Pens Refills, Blue Ink 1.0mm Replaceable Pens Refills Smooth Writing Bead Pens Refills Plastic Bead Ballpoint Pen Refills 2.44 inch/6.2 cmAmazon$55.00
PARKER IM Fountain Pen, Premium Warm Silver, Fine Nib with Blue Ink Refill (1931684)AmazonSAVE $7.39
$22.49$29.88
PILOT Acroball Pro Advanced Ink Refillable & Retractable Ball Point Pens, Medium Point, Blue Ink, 12-Pack (31911)Amazon$3.47
Pentel EnerGel Liquid Retractable Gel Ink Pen, Metal Tip, Refillable, 0.7mm, Blue InkGlobal Industrial$16.50
Pilot EasyTouch Ballpoint Pen, Refillable, Medium, Blue Ink, DozenGlobal Industrial$5.99
Colarr 24 Pcs Ballpoint Pens Set Refills Ink Refills for Pens Replaceable Pen Refills 1 mm Medium Tip Ink Pen Refill for Crystal Diamond Liquid Pens Glitter Fancy Pens (Black, Blue)Amazon$9.12
PILOT FriXion Gel Ink Refills for Erasable Pens, Fine Point, Black/Blue/Red Inks, 3-Pack (77335)Newegg$5.99
Pentel EnerGel 3pk Gel Pen Blue Ink with +1 refillTarget$5.99
Parker Refill for Roller Ball Pens Medium Blue Ink 3022531NeweggSAVE $1.03
$5.72$6.75
Cross Refill For Cross Selectip Gel Roller Ball Pens, Medium Conical Tip, Blue InkAmazonSAVE $17.34
$32.65$49.99
PARKER Urban Twist Ballpoint Pen | Muted Black with Gold Trim | Medium Point Blue Ink Refill | Gift BoxAmazon$1.19and up
Pentel EnerGel Gel-Ink Pen Refill, Medium Tip, Blue Ink, Each (LR7-C)Staples & 3 more$9.50
Zebra R-301 Stainless Steel Rollerball Pen Refill, Blue Ink, 2-CountNeweggSAVE $5.88
$31.62$37.50
Parker IM Fountain Pen, Black Lacquer Gold Trim, Medium Nib with Blue Ink Refill, Gift Box (1931652)AmazonSAVE $9.04
$20.95$29.99
Parker IM Ballpoint Pen | Matte Black with Chrome Trim | Medium Point with Blue Ink Refill | Gift BoxAmazon$10.88
FLIPSH Retractable Fountain Pen, Press Type Refillable Ink Writing Pen, Retractable Press Pen with 10 Black Ink, Calligraphy Fountain Pen (Blue ink 20)Amazon$17.89
GC QUILL Gel Ink Pens Premium Refillable & Retractable Rolling Ball Pens,0.5mm Fine Point Pens,12 Black Ink Gel Pens+10 Blue Ink Pens BKBL22Amazon$27.00
rOtring 600 Ballpoint Pen, Medium Point, Blue Ink, Green Barrel, RefillableAmazon$4.25
Schmidt P900 Parker Style Ballpoint Pen Refill - Blue Ink (Medium Tip 0.7mm)Amazon$16.97
AIBelire Fountain Pen Set, Ink Pen for Smooth Writing, Exquisite Fountain Pen Gift Set for Men & Women, Fountain Pen Fine Nib, Includes 10 Ink Cartridges - 5 Black and 5 Blue and Ink Refill ConverterAmazon