ENHANCED TECHNOLOGY: Our mats have a highly absorbent blend of fibers and a high GSM (Grams per Square Meter) rate of 3000 that is higher than our competitors with a GSM from 900 to 1500, and are the only mats to use the heavy "Gripper Non-Skid" backing on the bottom to prevent skidding and movement..BUILT FOR ACTION: Constructed with double basting and even stitching for rugged durability and long lasting use. The microfiber strands dry five times faster than ordinary doormats. Built for the most active outdoor dogs to rid their feet of mud, dirt, hair, and grass..SWEEP LESS: The Dirty Dog door mat will free up time in your day that you'd otherwise spend cleaning. Our rug will help keep your floors walkable with no extra work required. Just set the mat down at an entryway and you're good to go. Some customers place a mat at every door!.VERSATILE FUNCTIONALITY: Now you can enjoy the company of your best bud without having to dread the mess that typically comes along with it. Our mats can be used inside, outside, in a crate, or in the car. At home or on the go, we have you covered!.MACHINE WASHABLE: Large doormat measures 35x26 inches and is machine washable. We recommend shaking them out and washing on a delicate setting for optimal maintenance, then air dry.