Convenient: designed for more easily applying wallpaper Kit includes: a soft-grip paste brush, a 30.48 by 3.8 cm wallpaper smoother brush, a snap-off knife (with blade), a seam roller and a plumb bob kit for easily establishing a perfect vertical line Soft-grip handle: the brush’s soft-grip handle helps ensure a secure, comfortable hold Durable materials: consists of 60% polypropylene, 15% TPR, 5% TPR, 5% carbon steel, 5% POM, 5% wood and 5% ABS Prep-ahead recommended: for best results, start with smooth, clean, dry surfaces; also, paint any trim or ceiling surfaces before applying wallpaper