WellnessMats Anti-Fatigue Puzzle Set Kitchen Mat, 8 Feet by 2 Feet, Black Made of proprietary Advanced Polyurethane Technology (APT) - 100% polyurethane, WellnessMats are guaranteed to: always lie flat, never delaminate or curl up at the edges, never compress or wear through WellnessMats offer exceptional comfort and are resistant to punctures, tears, abrasions, stains, slips and wear; and is safe, non-toxic, PVC and BPA-free 100% Made in the USA with an Industry-Leading 20-Year Warranty Unmatched comfort and durability and antimicrobial by design Easy care: simply wipe clean with a damp cloth or sponge, use any common household cleaner or sweep clean of dirt and dust