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.
With USPS Marketing Mail, there is a little more flexibility -- there is no separate (lower) price for postcards, so you don't have to worry about your postcard being too big -- because you're paying letter prices anyway. But make sure that your postcard is no larger than 6-1/8 x 11-1/2 x 1/4 thick. Mailpieces larger than any of those dimensions and you'll have to pay flats (large envelope) postage prices. Some mailers want to attach stickers, magnets, or other items to their postcards. However, an attachment may disqualify the mailpiece for mailing at the First-Class Mail postcard priceâor even make it nonmailable.