UnManila Polypropylene Rope Cordage - Tug of War Rope - All Purpose ProManila Cord for Decor, Crafts, Sporting, and Landscaping (1 Inch x 25 Feet) - - Amazon.com
Amazon.com: Sash Cord - Cotton and Nylon Rope - 5/16 Inch x 100 Ft Rope - Cotton Rope with Nylon Core - Window Sash Rope, Clothesline Rope, Low Stretch Cordage - Synthetic