SWIFT polyplastic caravan motorhome window Swift Polyplastic caravan motorhome window 500 x 550 Vintage Caravan Motorhome caravan polyplastic window 1255 x 590 Acrylic Rv Windows. Replacement acrylic suitable for Aussie Traveller Caravan Doors. Available in a curved or flat acrylic and suited to doors ranging in height from 1400mm to 1908mm with a width of 622mm. These acrylics are not suitable for Aussie Traveller DC Doors or other brands of doors. Acrylic dimensions 706 x 500mm (H x W)