Weight size shape requirements.
Usps first class package box size.
Usps retail ground items that are between 108 and 130 inches will be charged at the oversized price.
Packages are also subject to minimum dimensions.
Maximum sizes and weights for usps services domestic services.
22 x 18 x 15 maximum weight.
Machinable packages may not be smaller than 6 x 3 x 0 25.
No package may be smaller than 5 x 3 5 x 0 007.
When sealing a flat rate envelope or box the container flaps must be able to close within the normal folds.
70 lbs 1120 ounces priority mail cubic.
13 ounces price based on weight and zone.
First class mail is an affordable mail service for standard sized single piece envelopes weighing up to 3 5 oz and large envelopes and small packages weighing up to 13 oz with delivery in 3 business days or less.
Lower maximum size standards may apply to mail addressed to some apos fpos and dpos.
First class package service retail parcels.
How to prepare a package.
Look up a zip code hold mail.
Maximum weight is 70 lbs.
Rent renew a po box.
Weight size shape requirements maximum weight for first class mail letters is 3 5 oz.
15 99 oz weight based priority mail.
Usps has a variety of mail services different delivery speeds package sizes and extras like tracking and insurance.
All postcards and envelopes or flats must be rectangular otherwise an additional charge may apply.
Maximum combined length and girth girth is the distance around the thickest part is 108.
108 combined length girth.
For large first class mail envelopes and parcels the maximum weight is 13 oz.
Packages can be sent using priority mail express priority mail first class package service retail usps retail ground and media mail.
First class package service retail parcels cannot measure more than 108 inches in length and girth combined.
Parcels that exceed 13 ounces are mailed at the priority mail rate.
Learn more about usps oversized package charges.
18 in any dimension total volume cannot exceed 0 5.