A triangle with a base of 2 and a height of 3.
Double the base and it becomes 4, and double the height and it becomes 6.
Area of the new figure = 1/2 * base * height = 1/2 * 4 * 6 = 2 * 6 = 12
The area of a towelette with double the base and double the height is 12 inches^2.