Description These RJ45 dust covers install in any standard RJ45/LAN slot keeping the open ports on your switches, routers, network cards and media converters safe from dust and debris. Easy to insert and remove without disrupting adjacent ports or cables. Features - Color: Black - Material: Silicone - Size: About1.50X1.00X0.50cm/0.59X0.39X0.20inch - The anti dust plug can protect the temporarily idle RJ45 interface from moisture and oxidation. - Prevent some foreign matter from entering, to keep the ports clean and durable. - The RJ45 interface cover is designed and manufactured according to the standard interface and is designed with a small gripper, which is convenient for disassembly and assembly. - The RJ45 port protector is made of high-quality silicon, which is resistant to high temperatures and will not deform for a long time. - Please inform the child not to play with this RJ45 dust protector, to prevent suffocation caused by mistakenly entering the mouth.Package list: 20 x RJ45 dust covers