Search query: #10 window envelopes without plastic

Product: Quality Park Redi-Seal Security Window Envelopes, 10 (4 1/8" x 9 1/2"), White, Box of 500 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. Quality Park White

Product: Quality Park Redi-Seal Double-Window Security Envelopes, 10, 4 1/8" x 9 1/2", White, Box of 500 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. Quality Park White

Product: 500 Self Seal QuickBooks Double Window Security Check Envelopes - for Business Laser Checks, Ultra Security Tinted, Self Adhesive Peel & Seal White, Size 3 5/8 x 8 11/16-24lb NOT for INVOICES Prime Business Checks 500 Self Seal Double Window Security Tinted Envelopes – Designed for Business Checks, QuickBooks, Laser Checks – Security Tinted – Self adhesive Peel and Seal – White – Size 3 5/8" x 8 11/16" (Checks Will Not Move) – 24 LB – 500 Per Box, Designed To Fit Computer business checks, QuickBooks checks, Envelope is ideal for all business, professional and personal correspondence, Peel & Seal Flap: No water required. Peel strip and fold flap, then press for a quick, secure seal, Premium 24 LB - Color: White - Finish: Smooth/Wove , Self Seal Double Window, Security tinted for added privacy and confidentiality. 92663 envelope Designed To Fit Computer business checks, QuickBooks checks
Envelope is ideal for all business, professional and personal correspondence
Peel & Seal Flap: No water required. Peel strip and fold flap, then press for a quick, secure seal
Premium 24 LB - Color: White - Finish: Smooth/Wove
Self Seal Double Window, Security tinted for added privacy and confidentiality Prime Business Checks White