Design, snug fit, and smooth edges. Comes with universal adhesive for seamless fixation. The window sill water-blocking strip is made of thickened TPE material, which is strong, tough, soft and fits well. Installation is non-destructive and simple. Effectively reduces rainwater intrusion; a single water-blocking strip solves the problem. Multifunctional: this weather stripping with strong load capacity after extrusion, good for anti-collision; ideal for preventing wind, sound, cold, protecting windows and doors, and effectively reducing abrasion and noise on windows/doors when opening and closing.