2082 sliding window. 1) available in any sizes as per your needs and elegant, economical and popular use 2) surface treatment & color: powder coating, anodizing, pvdf coating, electrophoresis, mill finished, wooden coating, etc, and all colors depend on buyer's requirement. 3) window frame: aluminum wall thickness: 1.4mm 4) glass: single or double. Window screens are available. 5) hardware: Made In China, of high quality 5mm foam layer inside and packed with hard cardboard which is suitable for container shipping. We also offer special package according to buyer's requirement.