Features: Stain Removing Wipes Are Safe On All Surfaces That You Can Use Water On. Examples Are Carpets, Rugs, Upholstery, Mattresses, Tile, Grout, Concrete,. We Do Not Recommend Using Simple Solution Cat Stain Removing Wipes On Leather, Wool, Unsealed Wood Or Dry-Clean-Only Fabrics. Stain Removing Wipes Are Very Effective At Removing All Organic Stains. Including Stains Caused By Hairballs. Wipes Are Easy To Use And Work On New And Old Stains.