... kinds of chemichal sheets : non woven, declain, with hot melt single/double side1.Thickness scope:0.4MM,0.6MM,0.8MM ... 20 OR 25 piece/package/polybag.. .or 50y/50m per roll ,each for one poly bag,or be packed according to ... the requirement of customersDelivery Detail0 day up to 1 week , after the order confirm or according to ...