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Best Choice Quality Park 
Quality Park Interoffice Envelopes, String and Button, Brown Kraft, 10 x 13, 100 per Case, (63561) DURABLE: Made from heavyweight 28 lb. paper stockQuality Park 
Quality Park 2-Side Interoffice Envelopes, Redi-Tac Box-Style, Brown Kraft, 10 x 13, 100 per Box, (63666) REDI-TAC: Unique redi-tac closure is durable and convenientBest Value LION 
Lion File-N-Send Poly Inter-Office Envelopes, 10 x 13 Inches, Opaque Charcoal Gray (Black), 6 EA/Pack, 1 Pack (22700-CG) 10" x 13"Sutter Signs 
Interoffice Envelopes with String, 10" x 13" String Tie Interdepartmental Envelopes, Sturdy 100gsm Paper (Pack of 100) SECURE STRING TIE CLOSURE | Designed for reliable internal delivery, these inter office envelopes with string feature aBlue Summit Supplies 
Blue Summit Inter-Department Envelopes, String Tie, Brown Kraft, 9 x 12 Inches – 100 Envelopes Durable construction from heavyweight 28 lb. paper stockMead 
Mead Envelopes, 10" x 13", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 15 Count (76022) These envelopes feature a clasp closure to keep documents extra secureCrtiin 
Crtiin 50 Count Interoffice Envelopes with String Tie, 10 x 13, 9 x 12, Reuseable Brown Kraft Interoffice Envelopes with Convenient Bulk Purchase: this set includes 25 interoffice envelopes with string 10 x 13 inches and 25 interoffice envelNUOBESTY NUOBESTY 30pcs Kraft Paper Interoffice Envelopes with String Tie Closure, 6.7x4.5 Inch Office Folder Organizer for Profe Versatile organizer: the kraft paper organizer easily fits small parts and various mini envelopes, making it ideal for sQuality Park Quality Park Interoffice Envelopes, Ungummed, Brown Kraft, 4.5 x 10.375, 500 per Box, (63262) DURABLE: Made from heavyweight 28 lb. paper stockFullhawl Fullhawl 100 Pcs Interoffice Envelopes with String Tie Closure and Button 9 x 12 Inches Mailing Envelopes Colored Expand Satisfying Bulk Quantity: when it comes to managing a multitude of tasks, our 100 pcs envelopes with button and string tQuality Park Quality Park 10 x 13 Interoffice Envelopes, with Reusable Redi-Tac Self Seal Closure, for Interoffice Mail, Heavyweight These 10x13 interoffice envelopes with a self seal Redi-Tac closure are reusable, fast & thrifty; made of heavyweight 32Generic 100 Pack DL Plainface White Envelopes – Self Seal 220 x 110mm Mailing Envelopes for Office, Business & Home Use STANDARD DL SIZE: These white envelopes measure 220 x 110mm, perfectly designed to fit A4 sheets folded twice into thirdQuality Park Quality Park 1-Side Print Interoffice Envelopes, String-Tie, Red, 10 x 13, 100 per Carton, (63574) DURABLE: Made from heavyweight 28 lb. 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