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.
The postage rate to mail a 6x8 envelope in the United States as of  2014 is $0.44 if it is within the regulated weight. Additional  costs may occur if it weighs more.ince the envelope is 5.25 X 5.25 inches square, the postage is .70  cents for first class. This rate is for an envelope that weighs .5  ounces. The postage may be higher de â¦ pending on the weight of the  envelope. + 5 others found this useful.