1 The discounted âMetered Mailâ category for First Class Mail Letters (1 oz.), which includes online postage providers and postage meters, will increase from $0.48 to $0.485 in 2015. 2  First Class Flats (1 oz.) will stay the same at $0.98 in 2015. 3  Each additional ounce will cost $0.22 (up one cent from 2014). First Class Package International Service will see an increase of 7.2% in 2015. 2  Commercial Base (online postage) rates will start at $6.39 (1 oz.), up $0.23 compared to 2014. 3  Priority Mail International will see an increase of 5.5% in 2015.
Fifteen minutes before you start, you should then drink another 8 to 10 ounces and then continue to drink another 8 ounces for every 15 minutes of physical activity if possible.
To stay well-hydrated for exercise, the American College of Sports Medicine recommends that you: 1  Drink roughly 2 to 3 cups (473 to 710 milliliters) of water during the two to three hours before your workout. 2  Drink about 1/2 to 1 cup (118 to 237 milliliters) of water every 15 to 20 minutes during your workout. Adjust amounts related to your body size and the weather. Drink roughly 2 to 3 cups (473 to 710 milliliters) of water after your workout for every pound (0.5 kilogram) of weight you lose during the workout.