• GEOBUBBLE technology. • Thick polyethylene film 500 micron. • Prevents the growth of algae and its spread. • Raises the temperature by 5°C. • Eliminates over 98% of water evaporation. • Reduces energy consumption by up to 60%. • Welded hem for better durability. Hem completely dry. • Weight 460 g/m2 (+/-10 %) • Variety of finishes (with relay, with rail on 2 backs, without rail). • 6 year warranty.