quantity: 1 Process: pure hand Cleaning: wipe with water How it works: Install a lifter to raise the roller blind Functional effects: decoration, shading and ventilation, shading Applicable places: living room, reading room, restaurant, studio, shop, office, lounge, curtain partition, tea room, coffee shop, wall decoration, curtain, sun shade, etc. Installation method: internal installation, external installation ? [About customization] Customizable: If you want to customize the size, please email the request Custom size: width x height Customization range: width: 50-200cm, height: 50-400cm Customization time: 3-5 days for customized products ? [Measurement method] External installation: Curtain width = window width +20 cm (7.9 inches) Curtain height = curtain height +20 cm (7.9 inches) Internal installation: Curtain width = window width -1cm (0.4 inch) Curtain height = window height