VAMO's basic 15' tie down straps are made with 1.5mm thick dura soft nylon so your boards stay scratch free without sacrificing strength. The oversized stainless steel cam has been designed so large or small fingers can access it easily and we wrapped it in silicone sleeve to make sure your cars paint job doesn't pick up a few dings while you are playing. It comes with a synch white storage bag so your tie downs stay dry and organized in your car. Holds anywhere from 1-4 SUP's on your car securely.