#11 Window Envelopes (4 1/2 x 10 3/8) 24lb White 500/Box

Your Price: $51.44
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Brand
WSE
SKU:
W3504
Availability:
3-Day Lead-Time
Envelope Type:
Window Envelopes
Size:
Number 11 (4-1/2 x 10-3/8)
Closure Type:
Gummed Seal
Color:
White
Window Type:
Single Window
Seam Style:
Diagonal Seam
Paper Type:
Western Sulphite (White Wove)
Brightness:
92% Brightness
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#11 Commercial Window Envelope – 4-1/2" x 10-3/8", 24lb Western Sulphite® with "A" Window

#11 Western Sulphite® Envelopes are ideal for statements, notices, and other outgoing business mail that requires a longer format. The “A” style poly window measures 1-1/8" x 4-3/4" and is positioned 3/4" from the left and 1/2" from the bottom to align with standard address placements.

Crafted from 24lb white sulphite paper with a vellum finish, these envelopes offer 92 brightness for a clean, professional appearance. Includes diagonal seams, remoistening seal, and a flap down design. SFI Certified and packaged 500 per box.

Product Specifications:

Item: W3504
Dimensions: 4-1/2" x 10-3/8"
Paper Weight: 24lb
Envelope Type: Commercial / Business
Color: White
Paper: Western Sulphite® (SFI Certified)
Certifications: SFI Certified
Paper Finish: Vellum Finish
Brightness: 92
Seam Style: Diagonal Seams
Window Style: Poly Window – "A" Style
Window Size & Position: 1-1/8" x 4-3/4" (3/4" Left, 1/2" Bottom)
Seal Type: Remoistening Seal
Flap Style: Flap Down
Quantity per Box: 500 Envelopes
Printer Compatibility: Inkjet Compatible
Country of Origin: Made in the USA

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  • 5
    Window Envelopes

    Posted by Frank Pfeiffer on Jul 15, 2025

    filing.com has the largest collection of window envelopes that I have ever seen --- 30+ years. How many people have ever heard of a #14 window envelope?