Strukture XLR 20 Ft. Microphone Cable, Lot of 4, SMC20 We selected the top-selling cables in the industry and eliminated as much packaging cost as possible without sacrificing quality. The rubber outer covering is reinforced by a state-of-the-art shrink-wrap sleeve to resist separation at the termination points. Finally, we use the highest quality solder connections, which are protected by a thick ABS inner sleeve, to create a cable you can count on. High quality rubber outer covering State-of-the-art shrink-wrap sleeve Thick ABS sleeve protects solder connections Lifetime guarantee.