Used less than 5 times each. Washed twice. Set of 2 M size. Purchased as 50x70 M size. Used as a pet toilet. May have unnoticed stains or odors. Please refrain from purchasing if you are sensitive to this. Slight stains present. Please refer to the photos. There may be stains I didn't notice. Will be placed in a plastic bag and then in another bag for shipping via post. Please see my profile.