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Certified Mailer Kits. Mail 40 letters or small bulk envelopes by certified mail with green return receipt for FREE!Great for entrepreneurs, mailing list companies, credit repair, and anyone looking to cut postage costs.Kit Includes: 40 USPS PS Form 3811, 40 USPS Certified Mail Receipts, 40 Self-Seal Envelopes, and 40 "Specialized" Mailing Labels.Guaranteed Results!
| Category | Office > Shipping Supplies |
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