This is the PROIDEA/Proidea/Baggu Mat/Premium/Brown. I used it at home for about a year, but I didn't sit on it for long, so there are no noticeable scratches or stains, and it's generally clean and I think it can still be used. ◎ Product Description (quoted from HP) By reproducing the stable structure of a horse saddle in the mat, you can sit in a good posture, for a long time, stably, and comfortably. Of course, the shape of the seat surface, but also the stability, softness, and hold feeling, we have adopted a two-layer structure. Furthermore, by bringing together the wisdom and skills of three craftsmen: a saddler, a chiropractor, and a furniture craftsman, it is a mat that can truly be called one-of-a-kind. Recommended for those who: "Sit for long periods of time" "Have lower back pain" "Are concerned about their sitting posture" The large, soft seat surface supports your buttocks and lower back as if to wrap them, so there is no pressure on your buttocks, and you can maintain a comfortable state for a long time, as if you were being supported by someone. 1) The structure and design are such that they reduce the burden on the body when sitting. 2) The shape of the seat surface that creates stability applies the structure of a horse saddle. 3) Structural design that focuses on stability, comfort, and fit. 4) A mat created by bringing together the wisdom and skills of three craftsmen. 5) The complex shape is finished one by one by furniture craftsmen. By reproducing the stable structure of a horse saddle in the mat, you can sit in a good posture, for a long time, stably, and comfortably. Please check the condition in the photos, understand and acknowledge that it is a used item, and for those who need it (о´∀`о)