Purchased a few years ago. Used dozens of times for guests. I have cleaned it at home and used a lint roller. From the official website: A topper that can be placed on top of your current bedding to achieve a high-quality sleeping experience. The Ergo Topper, which significantly improves the quality of sleep by layering it on top of your existing mattress. Toppers are common in Europe and protect mattresses, which are difficult to wash, from sweat stains and dirt, improving their durability. The Ergo Topper uses a luxurious three-layer structure of Eliocel MF, Eliocel, and Eliofiber, core materials that represent Magniflex. It offers excellent breathability and pressure distribution, leading to a comfortable sleep and an ideal sleeping posture. Please use it by setting it on a mattress or futon with the rubber bands provided at the four corners. Dry cleanable. Core Material: Eliocel MF® (1cm), Eliocel (1.2cm), Eliofiber Cover Fabric: Top / Polyester 59%, Rayon 41% (Viscose) Back / Polyester 100% Size/Weight: *Due to quilting, the finished size will be shorter than the listed size. Single: Width 100 × Depth 195 × Thickness 4 (cm) / Weight 3.2kg There are no particularly large stains or sagging, but please understand that this is a used item. Thank you for looking.