... Color: brown, green, black 3) Good price and quality 7090 corrosion-resistant cooling pad1) High hygroscopicity 2) Color: brown, green, ... and quality for every customer.Made from hydroscopicity kraft paper, anti-corrosion, usable life, ripple height: 7mm, ripple angle: 45* ... paper.7. The frame could be galvanized sheet, aluminium alloy,or stainless steel. Characteristic of Gongle cooling padGL BRAND ...