Peppy Fine Air Mat - L Size A comfortable mat for senior dogs who are sleeping more. It has good drainage and can be washed off with a shower if it gets dirty. It's quite large, so you can fold it in half to add thickness and cushioning. Used for a short period, there are some slight stains if you look closely (photos 5 and 6). The sheet has been washed, but please refrain from purchasing if you are concerned. Please understand that it may be folded for shipping. #SeniorDog #ElderlyDog #LargeDog #ComfortableMat #ComfortableAllYearRound #Peppy