Grandma's Window Insulation Film - Nitto Denko Corporation - Clear, Bright

Perfect for doors and windows, this is the water-application type. Insulation Effect: The special polyethylene sheet and air layer provide a double effect, suppressing heat transfer through windows and enhancing cooling efficiency. Installation Method: This is a water-application type that can be easily attached by spraying water on the window glass with a spray bottle. Features: High transparency means the room won't get dark, and it offers moderate privacy and condensation control.

- Quantity: Set of 7
- Color: Clear
- Use: Insulation material for window glass

Purchased for ￥1400 per roll.
With the hot weather approaching, why not enhance your air conditioning efficiency?

I purchased this with the intention of using it, but I haven't used it, so I'm selling it.