✅ [Heavyweight Security Left Window Envelopes No. 10] We specifically designed these large window envelopes with a dark navy, heavy coverage security tint to provide guaranteed privacy for your legal or business mail. Crafted with thick, 24lb paper that ensures utmost privacy.
✅ [Never Get Fooled Again] Unlike regular plain white envelopes, these self-sealing no. 10 window envelopes tear when opened! Exclusive tamper-evident slits provide increased security to prevent careful opening and resealing.
✅ [Perfect for Check Printing or Sensitive Documents] Windowless blank design allows for easy address printing or labels for mass mailing or to simply keep a bulk supply on hand for your home office. These privacy envelopes self-seal and are used by businesses to mail documents with sensitive materials.
✅ [Environmentally Friendly] Rest easy when you send a letter. Our legal size envelopes are manufactured from well-managed forests and are fully recyclable. Our business envelopes with security self-seal save you a ton of time with quick peel and seal action. 500 counts of environmentally friendly and super convenient self-sealing envelopes.
✅ [Maximum Strength Self Seal] Unlike other strip and seal envelopes that need extra tape or glue, Spark Ink spares no expense on thick, peel and seal adhesive that really sticks. We'd say we are the best business envelopes #10 that self-seal on Amazon. Ditch the standard white letter size envelopes and replace them with our no 10 envelopes, security self-seal design.