Tidy-Ups Boat Dock Line Holder - Standard Rails Features: * Rail mount UV resistant vinyl strap securely holds rope, cords, etc.  * Fits 1' - 1-1/4' Rails * Not sold in pairs Warning [https://productimageserver.com/prop65/6pt.png]WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov [http://P65Warnings.ca.gov].