Imprint Comfort Mats are the ultimate in anti-fatigue technology for your kitchen, or any area of your home. These unique mats feature patented environmentally-friendly technology which is non-toxic and is manufactured without the use of toxic, heavy metals. These mats feature a multi-layer cushioning system, which consists of a soft upper level and a cushion firm lower level that combine to provide anti-fatigue cushioning and better support than what you would normally have standing on hard surfaces. They are durable and are stain- and abrasion-resistant, and are also waterproof and washable. Phthalate free.