Sold in pack of 5 panels - Our 6mm and 8mm twinwall polycarbonate offers high impact resistance, excellent heat retention and 80% light transmission.  
The Easy Ship 2' Wide Twinwall Polycarbonate is designed and engineered specifically for commercial or hobby greenhouse use and offer 99.5% UV protection.  Shatterproof polycarbonate coupled with integrated UV resistant co-extruded layer yields long service periods. The cellular multi-layer structure reduces heating costs in winter while minimizing excessive heat in summer. 
6mm or 8mm Thickness for double wall
Can be easily cut in any pattern using a circular saw with a fine tooth blade
80% light transmission
10 year limited warranty against UV degradation
6mm Approx. Weight: .3 lbs per sq. ft.
8mm Approx. Weight: .368 lbs per sq. ft.