Unfortunately, bathroom ventilation fans often are set up so that they exhaust air to the space between ceiling joists, especially if the bath is located on a lower level toward the middle of the house.
The United States Postal Service defines a postcard as: rectangular, at least 3 1â2 inches (88.9 mm) high Ã 5 inches (127 mm) long Ã 0.007 inches (0.178 mm) thick and no more than 4 1â4 inches (108 mm) high Ã 6 inches (152.4 mm) long Ã 0.016 inches (0.406 mm) thick.
Jumbo Postcards - postcards that are larger than 4Â¼â³ x 6â³ cannot be mailed at the 34Â¢ rate. Oversized postcards require the same postage as a letter: 49Â¢. Jumbo Postcard Sizes: measure more than 4Â¼â³ x 6â³ up to a maximum of 6ââ³ x 11Â½â³. Paper Thickness - oversized postcards must be at least 0.009â³ thick,