[4 Items] [Set] [Insulation] [Convenient] Large clear sheets made of waterproof material. A set of 4 different sizes! We use these behind our curtains at home to save on utility costs! There's a huge difference in how warm the room gets with and without them! The sizes are different because they are tailored to the size of our curtains! We are selling them because we are replacing them! - Color: Off-white - Material: Insulating, waterproof material - Size: Large Approximately 140cm x 140cm, 2 sheets Approximately 100cm x 100cm, 2 sheets Please ask any questions in the comments! Feel free to ask! Thank you for looking!