What is this?Silicone SD port protection cover is used for protecting SD ports of various electronic devices, such as laptops, desktop computers, camera, etc. SD dust cover can prevent dust and moisture from entering the port and protect the port. The SD interface protection cover can also be used outdoors, such as camping, hiking, travel, etc.What will I get?Silicone SD port protection cover, is in size of : 27mm x 4.5mm x 5mm/1.06 inch x 0.18 inch x 0.