Andersen Brush Hog Plus entrance outdoor floor mat with drainable fabric border. Attractive and durable outdoor mat. The BrushHog Plus is constructed of coarse nylon fiber similar to that used on outdoor athletic fields. The tufted surface is designed to filter dirt and moisture away from the traffic surface to prevent it from entering the building, while providing a safe walking surface. Extra coarse solution dyed nylon fibers create outstanding scaping action. Solution dyed yarn will not fade in sunlight. Gripper backing helps to control mat movement especially on carperted surfaces. Passes Flammability Standard DOC-FF-1-70. Designed for outdoor use. Drys quickly. Reinforced face NUBS: Face NUBS are reinforced with rubber to resist crushing, maintaining high performance and extending product life. Raised NUB surface: removes and traps dirt and moisture and holds it on mat below shoe level so it is not tracked in. Non-skid rubber backing contains 20 percent recycled rubber content. They are certified slip-resistant by the National Floor Safety Institute. Fiber type: heavy denier solution dyed nylon. Pile height: 4/16-inches. Gauge: 3/8-inches. Construction: cut pile. Type: 100 percent SBR rubber (20 percent recycled content). Durometer: 60. Thickness: 1/16-inches. Brush Hog Plus mats have the added feature of bi-level reinforced construction for improved filtration performance.