Please note this is a cushion only the montana armchair is not included. Waterproof outdoor cushion set for the montana range of furniture … specifically manufactured for our montana water hyacinth range of furniture this super comfy waterproof outdoor cushion set can be left outside in the heaviest downpour …  the linen outer fabric is upvc backed making the cushion itself 100% waterproof. The polyester fibre filling is further enclosed in a synthetic bag. The outer covering is zipped to be removed for cleaning. There is a vented gauze on the zipped side making the cushion fully breathable. All fabrics are fully compliant with uk fire retardant regulations and are match and cigarette resistant. Base cushion dimensions  width 58.5cm depth 71cm thickness 10cm large back scatter cushion dimensions  width 54cm height 50cm thickness 20cm