1. Application of ergonomic factors: The wallpaper rollers are lightweight and durable, featuring ergonomic handles for longlasting use. You can easily apply wallpapers, car window films, and other materials without experiencing fatigue or discomfort. 2. Minimize wallpaper damage: Equipped with scrapers and a small squeegee, this wallpaper smoothing tool set enhances smoothing efficiency and is for smallarea applications. You can effortlessly remove air bubbles and wrinkles without damaging your wallpaper or window film. 3. Multifunctional design: You can the blades when they become dull with the included blade cap, allowing for easy trimming of wallpapers and edges. Versatile applications for various projects. 4. Easy to use: Our wallpaper smoothing tool sets are simple to operate and come in three sets, each with complete accessories. With our tools, you can smoothly and quickly apply your wallpaper, regardless of the size or shape of your wall.