What’s the best kind of dirt? The kind that stays outside! 85% of contaminants are brought into the home in the first four steps! Our Entry Mat features super-thirsty microfibre and stiff polypropylene bristles to help trap dirt and other pollutants in the mat instead of bringing them into your home. Use the Norwex Rubber Brush or hand-held vacuum to keep it looking fresh between washings. To launder, toss in washing machine. Air dry. Size: 50.8 cm x 76.2 cm / 20" x 30"