Brand: Hansleep Color: Sky Blue Material: Polyester Product Dimensions: 2 meters length x 1 meter width Opacity: Grade 1 Blackout Features: Cold Protection ◆【Grade 1 Blackout】This curtain has a blackout rate of 99.99% or more, blocking almost all light from the outside. This allows you to darken the room to the point where you can't see the expression on someone's face inside the room during the day with the curtains closed. Even with the same grade, the degree of blackout varies depending on the brightness and color of the curtain. Light, pale colors tend to let light through, while dark, deep colors tend to block light. 3913