The msr reflective utility cord kit is a versatile kit that contains 15m of 3mm extremely strong highly reflective cord with 4 camring cord tensioners ideal for hanging food guying tents and tarps and more the easy to adjust camring tensioners will securely tension the cord while eliminating the hassle of tying knots while the cord itself is easy to see in low light conditions thanks to its reflective detail and has a strength of up to an amazing 68kg making them incredibly useful to have in you