... ,economic,durabl Yihe cooling pad discription:1) Use the new material and the space crossing linking technology, high absorbability, high water-resistant, anti ... (washable)6)Strict production as per standard, width of 600mm cooling pad involves 85 sheets; raw material adopt imported kraft paper(100GSM ... 45mm/10min , moisture at 5-8%, humidity at 18N) Yihe cooling pad for greenhouse, poultry house