A clear sheet of twin wall polycarbonate glazing suitable for greenhouse replacement or many other uses in the garden and elsewherethey are light strong safe easy to handle and virtually unbreakable constructed to provide an excellent growing environment they provide excellent insulation from frost and are ideal for over wintering plants and early starts uv treated they will diffuse light and prevent scorch h 1460mm w 595mm light strong safe easy to handle and virtually unbreakabl