Non-upholstered Oak version: Form-pressed Finer shell and base, both in water-based lacquer. Non-upholstered colored versions: Form-pressed Finer shell and form-pressed Finer base, both in water-based lacquer. Upholstered version: Shell is made in form-pressed Finer with foam and fully upholstered with textile or leather. Wood Base is form-pressed in Finer with a water-based lacquer. Clean on a regular basis using a damp and clean cloth. Remove stains using a mild mixture of water and detergent. Avoid contact with sharp objects as these can leave scratches in the wood and lacquer. For textile upholstery versions, please find specific cleaning instructions for your chosen textile at kvart.dk. For leather versions, clean leather with a dry cloth regularly. Treat the leather when needed using only special leather treatment products. Both versions with PU lacquer and water-based lacquer of this product can be cleaned with alcohol disinfectant. However, please note that as wooden products will get patina where the surface color can slightly fade. If cleaning is uneven, this may become even more apparent yet the lacquer will stay in place. For wooden products in lighter colors, the patina will be less apparent.