I purchased this in 2022 and used it for about a year. I switched to something else when I moved, but I couldn't bring myself to throw it away, so I've been storing it at home. There are some minor stains. Caraz Play Mat [Gray thesun・4cm] Caraz Play Mat, Caraz Mat, Floor Heating Compatible, Foldable, Baby, Stylish, Thick, Waterproof Baby Mat, Large, Non-Formaldehyde, 4-Layer, Newborn Gift, Soundproof, Foldable, Washable, Joint Mat (120x160cm)