南非采购需求：防水防油剂、防污整理剂

I'd like to inquire about your product suitable for treating textiles and fabrics, specifically for outdoor upholstery and curtain applications. We're interested in options that provide effective water and stain repellency. Could you please provide details on the available pack sizes and pricing for this product? Additionally, any information on application methods or performance characteristics would be greatly appreciated. Looking forward to your prompt reply!