"Easy to install, this cover will fit RJ-45 plugs for any Cat5, Cat5E, Cat6, or Cat6a patch cable Network cable boots cap cover, Protect your cable ends with these snag-free boots for RJ-45 No more snags - rip cat5e through that jungle of cables with confidence Special bump on clip side keeps clip end from snagging on things and breaking off. Easy to use and provide protection and no strain or snagging when pulling through cords etc High-quality Ethernet cable boots with anti-snag design Material Made of low smoke zero halogen polyolefin material, flame-retardant, and environmental friendly. It's softer than others, which can have multiple uses and provides better protection for your modular plugs."