3. First-Class Mail-Large Envelope

Delivers in 1–3 Business Days
  • Pricing:    Large envelopes (flats) start at $1.00
  • Use:  Envelopes up to 13 oz.
  • Delivery:  1-3 days
  • Included:  No tracking or insurance
  • Extra Services:  Addl Insurance, Certified, Return Receipt, Collect on Delivery

This product is currently out of stock and unavailable.

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Features & Pricing

  • Large envelopes (flats) start at $1.00
  • Small packages start at $4.00
  • Delivery in 1–3 business days
  • All large envelopes must be rectangular, otherwise an additional charge may apply.
  • Best priced service for mail up to 13 oz
  • No Insurance
  • Eligible for delivery confirmation services such as Certified Mail®
  • Prices based on shape and weight

Additional information

Standard Letter and Postcard Sizes



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