What the largest envelope you can mail
The largest envelope that can be mailed through the United States Postal Service (USPS) depends on the type of mail and the dimensions of the envelope. Here are some general guidelines:
Standard Mail (Letter Post)
- Maximum size: 11.5 inches (29.2 cm) long, 6.125 inches (15.6 cm) high, and 0.25 inches (0.64 cm) thick
- Maximum weight: 3.5 ounces (99 grams)
Priority Mail
- Maximum size: 13 inches (33 cm) long, 17.5 inches (44.5 cm) high, and 0.75 inches (1.9 cm) thick
- Maximum weight: 70 pounds (31.8 kg)
Priority Mail Express
- Maximum size: 13 inches (33 cm) long, 17.5 inches (44.5 cm) high, and 0.75 inches (1.9 cm) thick
- Maximum weight: 70 pounds (31.8 kg)
Specialized Mail
- Large Envelope (also known as a "Flat") for packages up to 13 inches (33 cm) long, 22 inches (55.9 cm) wide, and 0.25 inches (0.64 cm) thick. Maximum weight: 70 pounds (31.8 kg)
- Large Flat Rate Envelope for packages up to 12 inches (30.5 cm) long, 15 inches (38.1 cm) wide, and 0.75 inches (1.9 cm) thick. Maximum weight: 70 pounds (31.8 kg)
Keep in mind that these are general guidelines, and specific restrictions may apply to certain types of mail, such as packages containing hazardous materials or perishable items. Additionally, some mail services, like UPS and FedEx, may have different size and weight limits for their packages.
If you're unsure about the size or weight of your envelope, it's always a good idea to check with the USPS or the shipping carrier you plan to use for more information.