Premium Printed Envelopes (9″ x 4″) – Office & Personal Stationery
Make every piece of mail stand out with premium, custom-printed envelopes from Radha Flex. Perfect for corporate correspondence, billing, invoices, personal invitations, and daily business mailing, our 9″ x 4″ envelopes combine crisp print quality with high structural durability. Whether you need a small batch for a retail business or bulk orders for a large campaign, we deliver crisp graphics and sharp text that build immediate trust with your recipients.
Key Product Specifications
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Product Code: EN-1 (Regular Class, EN/02nd Edition)
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Standard Size: 9″ x 4″ inches (Perfect for folded A4 sheets, letters, and checks)
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Production Turnaround: Ultra-fast dispatch within 4 days from your design file approval.
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Pasting Layout Options: Available in Short Opening (Center Seam Pasting) and Long Opening (Side Seam Pasting) to match your filling style.
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Quantity-Based Discounts: Enjoy massive savings! Our system automatically calculates volume discounts as your order quantity increases.
Premium Paper & Texture Options
Choose the perfect paper thickness (GSM) to match your brand identity and budget:
| Paper Type | Thickness | Best Used For |
| Maplitho Paper | 70 GSM | Lightweight, cost-effective, ideal for high-volume billing and everyday mailing. |
| Sunshine Paper | 90 GSM | Standard professional feel, excellent brightness, perfect for corporate letters. |
| Deo Paper | 100 GSM | Heavyweight, premium texture, superior opacity for confidential or luxury mail. |
Why Choose Envelopes from Radha Flex?
1. High-Precision Offset Printing
We utilize the latest Komori Offset Printing Machinery to guarantee razor-sharp text, vivid colors, and flawless alignment on every single envelope. Say goodbye to faded logos and blurry fonts.
2. Advanced Post-Printing & Structural Integrity
Our state-of-the-art post-printing unit ensures precise die-cutting, crisp folds, and heavy-duty pasting (Center/Side seams). Your envelopes won’t tear or peel open during transit, keeping your documents completely secure.
3. Affordable Premium Quality
We bypass middlemen to bring you direct-from-factory pricing. Get market-leading print quality, premium paper stock, and durable sealing adhesive at unmatched, highly competitive rates.
How to Order Your Custom Envelopes Online
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Select Your Specs: Choose your preferred paper stock (70 GSM, 90 GSM, or 100 GSM) and pasting style.
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Choose Quantity: Watch the price drop as you increase your order volume.
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Upload & Approve: Upload your CorelDRAW (CDR), PDF, or high-res graphic file. Our team handles the rest, ensuring delivery within 4 days!



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