10 pcs rj45 port dust cover: Cover open rj45 lan ports on ethernet nics, computing devices, media converters, and other network equipment. | High-quality silicone: Port dust plugs are made of high quality silicone, durable and perfectly protect the ports from dust, liquids, extended service life. | Wide compatibility: Rj45 port dust cover, cover open rj45 lan ports on ethernet nics, computing devices, media converters, and other network equipment. | Ethernet port cover: Easy to put on and take off, fit in place, easy to remove the small label, soft and flexible material, environmental protection and no odor. | Product includes: Rj45 ethernet silicone anti-dust cover*10. Easily meet your daily needs.