Usps flat rate mailing envelope cost

The cost of a USPS Flat Rate Mailing Envelope varies depending on the size and weight of the envelope, as well as the destination. Here are the current rates for USPS Flat Rate Mailing Envelopes:

Small Flat Rate Envelope

• Weight: Up to 1 oz (28.35 grams)
• Cost: $7.95 (Domestic), $14.35 (International)

Medium Flat Rate Envelope

• Weight: Up to 13.5 oz (382.6 grams)
• Cost: $13.75 (Domestic), $21.35 (International)

Large Flat Rate Envelope

• Weight: Up to 70 lbs (31.75 kg)
• Cost: $19.95 (Domestic), $28.35 (International)

Regional Rate Envelope

• Weight: Up to 70 lbs (31.75 kg)
• Cost: $4.95 (Domestic, to destinations within the contiguous United States)

Note: These rates are subject to change, so it's always a good idea to check the USPS website for the most up-to-date information.

It's also worth noting that the Flat Rate Envelope is a good option if you're sending a lightweight package that weighs less than 13.5 oz (382.6 grams). If your package weighs more than that, you may want to consider using a Priority Mail box or a Regional Rate box, which may be more cost-effective.