The following selection highlights popular C5 size envelopes with windows, designed for efficient mailing and reliable sealing. These Blake envelopes span various weights and finish options, offering FSC-certified paper choices and self-seal or moistened options to fit different mailroom needs. Review the product details, then compare suitability for professional correspondence, invoices, or marketing mailings.
| Product | Paper Weight | Window Type | Quantity |
|---|---|---|---|
| Blake Premium Office 34213W | 120 gsm | Window | 25 Stück |
| Blake Premium Office 34116 | 120 gsm | Window | 500 Stück |
| Blake Purely Everyday 4406 | 80 gsm | Window | 500 Stück |
| Blake Purely Everyday 1002 | 80 gsm | Window | 500 Stück |
| Blake Purely Environmental RN028 | 90 gsm | Window | 500 Stück |
These envelopes offer a mix of premium and everyday options, with window visibility to easily display recipient and address information. The selections emphasize reliability, print-friendly surfaces, and environmentally conscious choices, suitable for businesses and individuals who mail invoices, notices, or marketing materials.
Blake Premium Office 34213W Briefumschlag With Window
This premium Blake envelope uses 120 gsm FSC-certified paper, offering a crisp white appearance and a strong sealing experience. The 162 x 229 mm size aligns with standard C5 mailings, and the window ensures the recipient’s address remains clearly visible for automated mail processing. The packaging includes an attractive quantity suitable for small offices or teams that handle regular outgoing mail. Applicability spans invoices, statements, and professional correspondence.
Blake Premium Office 34116 Window Envelopes
These 120 gsm envelopes come in a larger batch and feature a moistened or self-seal option depending on the variant. The windowed design helps ensure accurate addressing while maintaining a tidy, professional look. The 229 x 162 mm footprint makes them suitable for standard C5-sized mailings, including invoices and official notices. The box packaging facilitates orderly storage in busy mailrooms or office supply closets.
Blake Purely Everyday 4406 Window Envelopes
With an 80 gsm paper weight, these mailing wallets are designed for longer shelf life and reliable sealing via a gummed flap. The 162 x 235 mm size accommodates C5+ mailings, offering compatibility with machines used for mail insertion. The 500-count quantity makes them suited for ongoing administrative mailings or marketing mailings that require cost-effective, efficient options without sacrificing professional presentation.
Blake Purely Everyday 1002 Window Envelopes
This option mirrors the everyday line with 80 gsm stock and a reliable wet-adhesive seal. The window design keeps addresses clearly visible, while the 162 x 229 mm C5 frame ensures compatibility with standard mailings. The moistened seal is often favored for bulk mailings that require a quick, dependable seal, and the batch size supports regular outbound mailings in an office setting.
Blake Purely Environmental RN028 Window Envelopes
These 90 gsm envelopes prioritize sustainability with 100% recycled and FSC-certified paper. The self-seal closure option adds convenience and speed to high-volume mailings, while the bright white finish maintains a professional presentation. The 162 x 229 mm C5 size with a window supports efficient display of recipient information, making them suitable for both formal and informational correspondence.
Buying Guide: Key Considerations For Selecting C5 Window Envelopes
- Paper weight and durability: Heavier weights like 120 gsm offer sturdier envelopes ideal for invoices and statements; lighter weights (80–90 gsm) may suffice for everyday mailings and cost-sensitive bulk mailings.
- Window design and alignment: Check the window position to ensure it aligns correctly with standard address formats and scanning systems. Misaligned windows can cause misreads and delays.
- Sealing method: Wet-glue, self-seal, and moisture-activated closures each have trade-offs. Self-seal offers speed and cleanliness, while moistened seals can be more cost-effective for large batches.
- Environmental considerations: For sustainability goals, consider FSC-certified paper and recycled content options, as seen in the RN028 line.
- Size compatibility: The C5 window size typically supports standard A4/letter-sized documents folded into thirds. Confirm document dimensions and any inserts to prevent jams or misalignment.
- Quantity and storage: Bulk packs reduce per-unit costs but require adequate storage space and inventory management in the office.
- Brand and reliability: Reputable brands with consistent print surfaces and reliable sealing support professional communications and reduce misdelivery risks.
- Print compatibility: Ensure the chosen envelopes are compatible with standard printers or mail merge workflows if addressing is automated.
- Compliance and certifications: Look for FSC certification or recycled content if corporate governance or green procurement is a priority.