How many curtain panels in one package?

One package includes blackout curtains 2 panels.

How to choose the right size? Example: size: 52"W X 84"L, 2 panels, suit for which kind of window?

Measure minimum coverage height from curtain rod to window bottom, and window width from left to right edge. Example: If minimum coverage height < 84”, window width < 60”, use 52"W X 84"L 2 panels . Window width is 60” to 120”, use 4 panels.

How to remove wrinkles from these linen blackout curtains out of the packaging?

A quick steaming iron on the face side can smooth out any wrinkles effectively.

Does these thermal blackout curtains have a liner?

Featuring a single-layer faux linen fabric bonded to white blackout backing, these window curtains are lighter than double layer curtains, but still offer completely light blocking and thermal insulating.

Does the white backing material get ripped when you wash the curtains ?

These curtains are made of high-quality material, will last long, please wash as per care instruction.