Cello Super Jumbo Blue Fountain Ink Cartridge Set of 15 – 5×3

Short Description 
Super Jumbo blue fountain ink cartridges with 30% extra ink. Set of 15 (5 packs × 3 pcs) for smooth, long‑lasting writing.

Product Description 
Enjoy extended writing with the Cello Super Jumbo Blue Fountain Ink Cartridge Set of 15. Each Super Jumbo cartridge contains 30% more ink than standard Cello cartridges, giving you longer writing time between refills and fewer interruptions while writing notes, letters, or exam answers.

Filled with rich blue ink, these cartridges deliver consistent, smooth, and uniform flow that suits most standard fountain pens as well as Cello fountain pens. The plastic body ensures reliable, leak‑resistant performance, making refilling quick, clean, and mess‑free.

Perfect for students, teachers, office professionals, and fountain‑pen enthusiasts, this 15‑cartridge set offers excellent value for regular users. Whether you are practising handwriting or drafting important documents, these cartridges help maintain a neat, professional writing style.

Key Features 

• Super Jumbo size with 30% more ink than regular cartridges

• Blue ink for clear, consistent, and legible writing

• Easy, mess‑free installation in compatible fountain pens

• Compatible with Cello and most standard fountain pens

• Set of 15 cartridges (5 packs × 3 pcs) for long‑term use

Ideal For 

• Students using fountain pens for exams and notes

• Teachers demonstrating handwriting and corrections

• Office professionals drafting letters and documents

• Writing enthusiasts and calligraphy practice

• Schools and tuition centres needing bulk ink supply

Specifications 

• Brand: Cello

• Product Type: Fountain Ink Cartridge

• Ink Colour: Blue

• Cartridge Size: Super Jumbo (30% more ink)

• Pack Content: 5 packs × 3 cartridges (15 pcs total)

• Body Material: Plastic

• Pack Weight: 9 g

What’s Included

• 15 x Cello Super Jumbo Blue Fountain Ink Cartridges (5 packs of 3)

Safety & Care Instructions
Store in a cool, dry place away from direct sunlight. Keep away from children to avoid accidental breakage or ingestion. Avoid shaking or puncturing the cartridges. Insert cartridges carefully into the nib unit until fully seated to prevent leaks.

Why Choose This Product 

• 30% more ink per cartridge reduces frequent refilling

• Blue ink provides clear, readable lines on white paper

• Easy refill design works with many Indian fountain pens

• Set of 15 cartridges offers great value for schools and families

• Trusted Cello quality for smooth, reliable writing