1. High strength. 2. Anti acid and alkali, nontoxic, environmental protection. 3. Venting. 4.Do not fading 1) Material : 100% polypropylene2) Basic weight : 100- 500gsm3) Standard Width : 1-4meters( any width is required by customers )4) Colors : white or black5) Quality : good quality and also can be produced according to customer’s samples .6 Roll length : Depend on your request .7) Feature : ...