PORTshade is a roller blind in an ultra slim cassette, designed to provide all the benefits of a blind for even the smallest portlights. This blind may be mounted on horizontal or vertical surfaces adjacent to the portlight. The PORTshade cassette is made of anodized aluminum and utilizes Oceanair's unique heat reflective blind fabric to give maximum protection from sunlight. All Oceanair products combine style with efficiency to provide greater comfort, security and privacy afloat. PORTshade is manufactured in 5 standard sizes to fit most portlights. Special sizes are available to a maximum width of 1000mm (39-1/2") and a maximum drop of 320mm (12-5/8").