1. You owe additional tax and situations (2), (3), and (4), below, do not apply to you: Keep records for three years. 2. You do not report income that you should report, and it is more than 25% of the gross income shown on your return: Keep records for six years. 3. You file a fraudulent return: Keep records indefinitely. 4.
Twin Mattress. A twin mattress is the smallest possible mattress size, other than a crib-sized mattress. Twin mattress dimensions are approximately 38 inches wide by 75 inches long. Both twin and full sizes are approximately 75 inches long, which may be too short for some adults, especially men.
Bunk Mattress Basics. A typical bunk bed for a child's room features two twin mattresses. A twin mattress is 39 inches wide and 75 inches long. But a different type of twin mattress exist: a twin XL. The extra long variety has the same width, but an extra five inches of length at 80 inches long. The extra long twin has the same length as a queen or king mattress.