Aamstrand Twisted Yellow Polypropylene Rope - Per Foot This premium general purpose rope is lightweight, strong and used extensively for most rope requirements. This synthetic rope is easier to handle than rope made from natural fibers. It is a floating rope and is rot proof and unaffected by water, oil, gasoline, and most chemicals. This is the lightest rope we offer and is nearly twice as strong as manila. This monofilament fiber polypropylene rope is very smooth surfaced. It is spliceable and