I am looking for a coated webbing that will completely repel water and most dirt. I am also wanting the product to be very flexible yet durable. If possible, I would like a sample of each of the following; Granite® 230 BioThane® Webbing; Griamond® 430 BioThane® Webbing; Beta® 520 BioThane® Webbing; Slate 600 BioThane® Webbing. If possible, I would also like to request the prices of these items. please let me know if you need any extra information.