The XL Grand Gardener 8x20 Clear features two kinds of virtually unbreakable polycarbonate panels to give you the best of both worlds. Crystal-clear polycarbonate side walls allow clear views while being ultra-safe and provide over 90% light transmission and the twin-wall roof panels diffuse over 70% of sunlight for a soft, even light. The heavy duty, UV protected extruded resin frame with its additional aluminium roof profiles improves both insulation and durability. This item is delivered direct to you from one of our suppliers, please see our Terms & Conditions for details.