It securely protects oil stains from sticking to the stove hood and exhaust. It is also highly breathable, so you can easily absorb smoke and odor, and keep your kitchen fresh even when fried or fried food. Material: Long Fiber, Organic Binder, Special Flame Retardant Size (Filter): Over 11.4 x 15.2 x 0.3 inches (292 x 385 x 8 mm) Weight: 0.5 oz (14.5 g) / Quantity: 2 pieces.