USPS has express and standard mail services to fit your needs. Depending on what items you're sending (and when you want them delivered), choose based on: Fastest delivery speed, Most affordable price, or Shipping online vs. at a Post Office location.

USPS has express and standard mail services to fit your needs. Depending on what items you're sending (and when you want them delivered), choose based on: Fastest delivery speed, Most affordable price, or Shipping online vs. at a Post Office location. Fastest Delivery Speed services include Priority Mail Express (1-3 days, from $35.90 flat rate envelope or $35.65 by weight/zone, up to 70 lbs, includes up to $100 insurance) and Priority Mail (2-3 days, from $12.90 flat rate envelope, $13.65 flat rate box, or $11.00 by weight/zone, up to 70 lbs, includes up to $100 insurance). Simple, Affordable, Reliable services include USPS Ground Advantage (2-5 days, from $7.90, up to 70 lbs, includes up to $100 insurance). Postcards & Envelopes services include First-Class Mail (1-5 days, from $0.61 for postcards, $0.78 for letters, $1.63 for large envelopes, no tracking for letters unless add-on services purchased). Media Mail is available for 2-8 days delivery at $4.47 starting price for eligible books, media, and educational materials weighing up to 70 lbs. Eligible items include books (at least 8 pages), 16mm or narrower films, printed music and test materials, video and sound recordings, playscripts and manuscripts, printed educational reference charts, medical loose-leaf pages and binders, and computer-readable media. Video games, computer drives, and digital drives do not qualify. Additional Package Fees apply for dimensional weight (calculated as Length x Width x Height divided by 166 for packages larger than 1 cubic foot), nonstandard length (packages 22-30 inches add $4.50; over 30 inches add $4.50-$21.00 depending on service), nonstandard characteristics ($4.50 for cylindrical tubes, cans, boxes with liquid, or items that may shift), and nonstandard volume (over 2 cubic feet adds $21.00-$35.00). Live animal and perishable handling fees vary by service: $7.50 for Ground Advantage and Priority Mail Express, $15.00 for Priority Mail.