Puffy eyelids make eyes look swollen and tired, and depending on the severity of the problem, they can make it difficult to open or close oneâs eyes completely. There are many causes for puffy eyelids; some are avoidable, while others are not.
This new rate would be $0.48, one cent below the Post Office or retail rate of $0.49 for First-Class 1 oz. Letters.â¢ First-Class Mail Flats/Large Envelopes (1 oz.) rates will increase six cents from $0.92 to $0.98.
USPS Large Envelopes. What are Large Envelopes. The term âlarge envelopesâ (also known as flat mail) refers to First Class Mail sent in envelopes that exceed either 6ââ in height, 11Â½â in width, or Â¼â in thickness. Large envelopes are often comprised of items such as marketing newsletters, product catalogues and legal correspondence.