Size mail
You're referring to the size of mail!
In the United States, the United States Postal Service (USPS) uses a standardized system to categorize mail by size and weight. Here are the common sizes and weights of mail:
Letters
- Standard letter size: 3.5 inches (8.9 cm) high x 6.125 inches (15.6 cm) long x 0.007 inches (0.18 mm) thick
- Maximum weight: 3.5 ounces (99 grams)
Large Envelopes (Flats)
- Size: Up to 12 inches (30.5 cm) long, 15 inches (38.1 cm) wide, and 0.75 inches (19.1 mm) thick
- Maximum weight: 13 ounces (369 grams)
Packages
- Size: Varies, but typically up to 60 inches (152.4 cm) long, 30 inches (76.2 cm) wide, and 30 inches (76.2 cm) tall
- Maximum weight: Varies, but typically up to 70 pounds (31.8 kg)
Special Sizes
- Oversized packages: Larger than 60 inches (152.4 cm) long, 30 inches (76.2 cm) wide, and 30 inches (76.2 cm) tall
- Irregularly shaped packages: Packages that don't fit standard sizes, such as boxes or containers
Keep in mind that these are general guidelines, and specific sizes and weights may vary depending on the type of mail, shipping method, and destination.