BMW Z4, Honda S2000, Porsche Boxster California PopTop Sun Shade, Interior, Cockpit, Car Cover. Use with Top UP or Down - SEMA SHOW NEW PRODUCT AWARD WINNER SEMA SHOW NEW PRODUCT AWARD WINNER____Covers All Windows____Install or Remove in Less Than a Minute Virtually Eliminates Solar Heat Build-Up____Blocks 99.8% of the Sun's UV Rays____Custom Fit Water Resistant Yet Breathable____Super Strong, Lightweight Material by DuPont____Anti-Theft Feature Built-in Storage Pocket____Extremely Small Storage Package____Use with Convertible Top UP or DOWN Great for keeping over night DEW, FROST and SNOW off your windows during those non-summer months.