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Spring File Cobra with Flat Spine – Versatile, Durable, and Perfect for Your Filing Needs
Organize your documents effortlessly with the Spring File Cobra with Flat Spine, designed to handle both A4 and Legal-size paper (35cm x 26cm). Whether for office, school, or home use, these files offer excellent durability and a sleek, space-saving design. With multiple thickness variants to choose from, you can easily find the perfect file to suit your needs.
Each variant provides different board thickness and capacity, ensuring you have a reliable solution for every document load. Whether you’re managing contracts, reports, or important papers, this file keeps everything neat, secure, and easy to access.
Designed for A4 and Legal Paper Sizes: Sized at 35cm x 26cm, this file is suitable for standard A4 and legal-size documents, making it ideal for everyday office use or personal filing needs.
Multiple Board Thickness Options: Choose from five different board thickness variants for the perfect balance between strength, flexibility, and capacity.
Flat Spine for Easy Stacking: The flat spine allows for easy stacking and organizing, keeping your workspace clutter-free while ensuring your documents are neatly stored.
Robust Spring Mechanism: Quickly add, remove, or organize your documents with the reliable spring clip that holds everything securely in place, ensuring easy access when needed.
| Variant | Board Thickness | Capacity | Size |
|---|---|---|---|
| No.100 | 0.4mm (400 microns) | Fits 180 sheets of 70 GSM paper or more | 35cm x 26cm |
| No.150 | 0.5mm (500 microns) | Fits 200 sheets of 70 GSM paper or more | 35cm x 26cm |
| No.850 | 0.65mm (650 microns) | Fits 180 sheets of 70 GSM paper or more | 35cm x 26cm |
| No.888 | 0.75mm (750 microns) | Fits 200 sheets of 70 GSM paper or more | 35cm x 26cm |
| No.890 | 1.0mm (1000 microns) | Fits 200 sheets of 70 GSM paper or more | 34.5cm x 25.5cm (special size) |
Customizable Capacity: With a range of options based on your document load, these files ensure your important paperwork stays safe and organized without bulking up your desk or storage.
Durable and Long-Lasting: Made from high-quality materials, these files offer superior durability and protection for your documents, ensuring they stay in excellent condition over time.
Professional Appearance: The sleek, flat-spine design adds a polished, professional touch to your workspace, making it perfect for presentations, meetings, and daily document management.
Whether you're looking to store legal documents, project files, or important papers, the Spring File Cobra with Flat Spine offers the flexibility, durability, and capacity you need to keep everything neatly organized and secure.
Order your Spring File Cobra today and experience top-tier document organization!
Store in a cool, dry place away from direct sunlight and moisture. Keep flat to prevent warping of paper and cover.
Use a proper pen or pencil for writing. Avoid excessive force on spiral or stapled bindings to ensure longer product life.
Neelgagan products use environmentally responsible paper. Dispose responsibly — paper components are fully recyclable.
Watch usage, quality, and unboxing demonstrations.
Real buyers, real orders — from across India
4.5/5 average · Verified purchases
“Quality is consistent across every single piece. This is what stationery should feel like — solid paper, clean ruling, proper binding.”
Delhi · 2 weeks ago
“Ordered 50 notebooks for our school. Every single one was perfect. Fast dispatch and well-packed. Best bulk stationery supplier.”
Chandigarh · 1 month ago
“Been using Neelgagan products for over 15 years. The quality never drops. Worth every rupee. Highly recommended for all ages.”
Jaipur · 3 weeks ago
What started as a humble business by Late Shri Gulal Chand Gupta has grown into one of India's most recognized stationery brands. With 7 decades of relentless focus on quality, innovation, and affordability — Neelgagan is synonymous with trust in every classroom and office across North India and beyond.
Quality, consistency, and trust — in every page, every time
Each product uses selected paper grades for optimal writing experience — smooth, ink-friendly, and durable.
Over 7 decades of consistent quality have made Neelgagan a household name across India.
Competitive pricing without any compromise on quality. Best price-to-quality ratio in Indian stationery.
Available across 10,000+ retail outlets and delivered directly to your doorstep anywhere in India.
From notebooks and pads to files, labels, and art supplies — the complete stationery ecosystem.
Dedicated bulk pricing for schools, corporates, and distributors. Best-in-class wholesale rates.
Why branded stationery makes the real difference
Every order is carefully packed and dispatched with tracking
Confirmed instantly
You’re hereVerified & packed
Same dayProtective packaging
Within 24hWith live tracking
Day 1–2At your doorstep
4–7 days
“Neelgagan started as a family business in 1951 with a simple conviction: every student and professional deserves reliable, quality stationery at a fair price.”
Neelgagan is a well-known brand of Haryana Traders Pvt. Ltd. which manufactures and markets paper and plastic stationery products across India. What started as a humble business by Late Shri Gulal Chand Gupta has blossomed into a brand that embodies quality, innovation, and user-friendliness — now synonymous with excellence, leading this market across the North of India for over 75 years.
— The Neelgagan Family Haryana Traders Pvt. Ltd. · Since 1951Tag us and get featured · @neelgaganstationery
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)
(MRP incl. of all taxes)