Fit for : Micro USB Material : Silicone Overall Size : 9 x 4.5 x 5 mm / 0.35 x 0.18 x 0.2 inches (L*W*H) Outside Install Size : 6.5 x 2.3 mm / 0.26 x 0.09 inches (L*W)

● Made of high quality durable and reliable silicone material, exhibit a high level of resistance to harsh environmental factors and retain their shape and flexibility even after frequent use.
● Designed with a pull-out tab, easy to insert and remove, fit snugly and stay in place.

Fit for : SFP Port 
Material : Silicone 
Color : Black 
● Protect SFP/SFP+ ports from being exposed and keep your network equipment safe from dust, debris and moisture, extending the lifespan of your device.
● Fit for any standard SFP or SFP+ slot of your open ports of switches, routers, network cards & media converters and more.
● Made of high quality durable and reliable silicone material, exhibit a high level of resistance to harsh environmental factors and retain their shape and flexibility even after frequent use.
● Designed with a pull-out tab, easy to insert and remove, fit snugly and stay in place.

With this dust cover, the male port is protected from dirt or damage. The application of the dust cover keeps the sensitive connectors ready for use in the long-term, especially in dusty environments and in the industrial sector.

✔Made of plastic, Ethernet Hub Port RJ45 Anti Dust Cover Cap Protector fit for all Ethernet Port RJ45. 
✔Prevent dust and debris from entering the port when it is not in use, prevent the contact point of the ports oxidized and causing contact problem. 
✔Prevent unauthorized access.

✔Material: Silicone; Overall Size: 10 x 10 x 7mm/0.4" x 0.4" x 0.3"(L*W*H) ✔Net Weight: 5g ✔Fit Port Size: RJ11 Female Jack ✔Color: Black, white, red, green, blue, transparent, and so on. ✔Material: Silicone.