Packages going to certain places (including Alaska, Hawaii, and offshore destinations), or containing hazardous materials or live animals may receive slower service. In most cases, the expected delivery date that is printed on your receipt or provided at checkout will reflect a delivery time of 1, 2, or 3 days based on origin, destination, and Post Office ™ acceptance time. According to Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM ), when sealing a Flat Rate Envelope (FRE) or Flat Rate Box (FRB), the container flaps must be able to close within. For additional information, visit the Postage Calculator. Employees are reminded of the proper use of Priority Mail Express and Priority Mail Flat Rate envelopes and boxes (containers). Welcome to the Postal Store at Order stamps, shipping supplies, and unique items only available from the United States Postal Service. Scheduled delivery date and time depends on origin, destination, and Post Office ™ acceptance time. See the International Mail Manual for availability and limitations of coverage. Purchased insurance replaces ordinary indemnity coverage. Not available with Flat Rate envelopes and small Flat Rate boxes or when shipping to certain destinations. Also, you can use the regional and flat rate boxes.

For details regarding claim exclusions, see Sections 609.4.3 (Non-payable Claims), 609 (Filing Indemnity Claims for Loss or Damage), and 503.4 (Insured Mail) of the Domestic Mail Manual. Good idea from mtgraves7984 to put your bubble envelope into the cardboard flat rate envelope, but if they dont fit, order the legal size ones too as a back up bc they will have extra room to stretch out and cost just a little more to ship. Available only with certain products and to certain domestic destinations. For details on free Package Pickup, go to Schedule a Pickup.

Usps flat rate bubble mailer