WHY BETTER BOAT: We are a family owned American business committed to making premium products for interior & exterior boat accessories marine grade, RV care & boat cleaning supplies. We stand behind your satisfaction and our boating accessories. RELIABLE & STRONG: This 2 pack is capable of absorbing extreme shock loads making them ideal as boat rope or even as small dock lines, campring rope, moving, or v rope for boat tubing. Knots hold well in clips or bags and lines are easy to unknot. HEAT-TREATED EYELET: The fender lines feature a convenient 5 Inch pre-made eyelet loop so you don't have to tie eyelet knots or cut to the right length. Professionally whipped throat and will last for multiple seasons without fraying or unraveling. SALT, SUN & WATER RESISTANT: The boat bumpers for docking lines are corrosion resistant with heat treated ends to hold up to weather and fresh and salt water without fraying even when submerged. Use with fenders, buoys or for docking pontoons. MARINE GRADE DOUBLE-BRAIDED NYLON: Our premium grade 3/8 inch black boat fender lines will not kink or rotate under heavy loads and offer superior shock absorption & elasticity. Smooth to the touch and comfortable to handle with reduced snagging.