Search query: 10 open window envelopes without plastic window

Product: Quality Park Redi-Seal Security Window Envelopes, 10 (4 1/8" x 9 1/2"), White, Box of 500
Brand: Quality Park
Color: White
Relevance: Exact
Save time with Quality Park security envelopes that have built-in Redi-Seal technology closures - requires no moisture to seal! Quickly get that stack of papers delivered to important recipients.
Simply raise the lower flap and press to seal.
Addresses appear through window - no need to hand-address these security window envelopes.
Quality Park envelopes feature a unique double flap design that keeps the gum from sticking before use.
Security-tinted inside for privacy and confidentiality.

Product: Quality Park Redi-Seal Double-Window Security Envelopes, 10, 4 1/8" x 9 1/2", White, Box of 500
Brand: Quality Park
Color: White
Relevance: Exact
You're too busy to seal your double-window envelopes the old-fashioned way. Thanks to Redi-Seal closures, these Quality Park security envelopes keep the contents secure and require no moisture to stick.
Redi-Seal envelopes are easy to secure. Simply raise the lower flap and press to seal.
Double-window security envelopes contain 2 poly windows - one for the return address and one for the mailing address.
Quality Park envelopes, featuring a unique double-flap design, keeps the gum from sticking before use.
Security envelopes feature a tinted inside for privacy and confidentiality.

Product: EnDoc #10 Double Window Envelopes - 50 Pack - Self Seal, Flip and Seal Security Tinted Envelopes, Can be used for Invoices, Statement and for Return Envelopes - 9 1/8" X 4 1/8"
Brand: EnDoc
Color: White
Relevance: Substitute
This Size Double Window Security envelope is the most popular size for letters, invoices & statements.
SIZE #10 Blank Regular blank envelopes businesses 9 1/8" x 4 1/8" - Top WIndow 3.5" x 7/8" - Bottom Window 3.5" x 1" - Compatible with most standard size 8 1/2" x 11" computer-generated invoices, and statements.
SAFELY MAIL SENSITIVE DOCUMENTS in these high-end #10 Security Tinted Envelopes, which will keep your papers confidential, protecting them from prying and making sure they reach their destination with privacy.
SEAL YOUR ENVELOPES IN A BREEZE: The strong self-adhesive tamper-proof seal of these envelopes facilitates convenient to use. just flip and press and it will seal.
SECURE TINTED Designed for Secure Mailing-Security Tinted Printer-friendly great to print on, Heavy 24 Lb

Product: Amazon Basics #9 Double Window Security Tinted Envelopes, White, 500 ct
Brand: Amazon Basics
Color: White
Relevance: Substitute
500 standard-size security-tinted #9 double window envelopes
Ideal for 8.5-by-11-inch computer-generated invoices and statements
Double windows 3/8-inch from the left to show sender info (2 inches from bottom) and recipient info (1/2 inch from bottom)
#9 envelopes measures 3-7/8 by 8-7/8 inches each