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.
Typically, large envelopes are sent in an envelope large enough to fit an unfolded 8 Â½â x 11â sheet of paper. Envelopes used for flat mail cannot be more than Â¾â thick, 12â high, 15â long or weigh more than 13 ounces.The USPS considers any envelope bigger than this size to be a package, and will be subject to parcel prices.o send large envelopes, you do not need to visit the Post Office as long as you have postage stamps, access to a postage meter or can print postage online from a company like Stamps.com.