Crown Mats Mat-A-Dor Rubber Fingertip Scraper Mat - Entryway, Floor, Home, Office, Indoor, Outdoor - 32" Length x 24" Width x 0.63" Thickness - Rectangle - Rubber - Black - Want some tips for keeping your building and office free from dirt and debris? Here are 2,700 of them. That's how many shoe-cleaning rubber fingertips there are per square foot on these mats. Beveled edges keep mat flat and reduce tripping hazard. Easy-to-clean design saves you time and energy.