Doortex Octomats provide a heavy duty and highly effective all-weather outdoor entrance mat solution. Drainage hole design allows snow and water to flow through to retain the mats effectiveness. Heavy duty rubber construction gives excellent stability either in home or business environments. These mats are excellent with moisture and dirt removal. Rigid construction allows effective scraper surface for removing dirt from footwear. Not advised for indoor use. 1 Year Limited Warranty Features: Drainage holes are designed to remove and disperse water, mud or snow when used outside Rigid construction means the Octomat has an effective scraper surface to remove dirt from footwear which helps reduce risk of slipping Ideal for both home and business use such as; service areas, commercial kitchens, labs, garages, ramps and entrance ways Provides excellent moisture and dirt removal Please note, due to the manufacturing process this product has a +/- 5% size tolerance. All measurements are round