Utilize Send Direct Mail Letterheads by Print Early to reach targeted audiences via USPS, leaving a lasting impression. Our sizes, stocks, and finishes comply with USPS mailing standards. Provide your mailing list, and we handle the rest. Note: Mailing Service may extend turnaround time by 1-3 days. Orders over 25k may add up to 7 days. USPS takes responsibility for delivery after handoff.