If your TV is a narrow bezel, TV model number is equal to the diagonal length of the TV screen (excluding the frame).
Usually, a 50-inch TV size is 44 x 25.42 inches.
If your TV is a wide bezel, measure the length and width of your TV (including the frame) and choose a cover that is closest in size.
This 50-inch TV cover size is 46.5 x 27.5 inches, allowing for over 1 inch of extra space for easy removal.