Products Name: Polycarbonate IR sheet, thickness: from 4mm-20mm, Color: White. The principle of Good Life IR sheet: reflect most of solar's infrared ray, improve the greenhouse effect which is caused by the redundant thermal accumulation indoor, whenever cloudy or sunny, winter or summer, Good Life IR sheet will adjust the indoor temperature to a suitable level.Zhongshan Good Life Sun Sheet Co., Ltd.Tel:86-760-23132001,Fax:86-760-23132006,Email:goodlife@goodlife.com.cn,website:www.polycarbonte-sheet