With these transparent sheets, you can have not only a better growing environment for your plants but also a more durable greenhouse. Made of polycarbonate, the shatterproof sheets are excellent in heat retention and light transmission. Its notable that the panels are 4mm thick, its cellular design allows air in and make them thermal-insulating. Features * PC Sheets: Cover your greenhouse, or other building project with polycarbonate clear twin wall sheets. * Cellular Multi-Layer Design: Make your greenhouse warm in winter and cool in summer. * Customize Your Own Greenhouse: The panels can be cut to your desired shape and size. * Lightweight Sheets: Their light weight make them easy to carry and install. * An Ideal Environment For Your Plants: Your plants and crops can get full protection inside the panel shielded greenhouse. * A Stronger Greenhouse: The thickness of these panels are 4mm, which can elevate the durability of your greenhouse. Product Details Color: Clear Material: Polycarbonate (PC) Item Shape: Rectangular Construction: Twin Layer UV Protection: Yes Thickness: 4mm Size: 61 x 122 cm Number of Items: 6 pcs / 14 pcs KINDLY REMINDER: If delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS which are excluded from our standard delivery charge and may incur extra costs.