These are slippers from &medical. I bought them several years ago, but didn't use them much and have been storing them. Mustard: Size M-L Gray: Size S-M The gray ones show deterioration in the sponge of the heel due to aging. *Photos added. The mustard ones have a stain on the toe of the left foot. These are used items, so please understand this before purchasing. They will be shipped in simple packaging.