USB Port blocker equipped with a key lock system, ensuring your data remains secure and inaccessible to unauthorized users. Ideal for both personal and professional use, these blockers prevent moisture and dust from entering the USB ports of your PC or laptop, extending the lifespan of your devices. These easy-to-use, removable USB-A locks are perfect for anyone looking to safeguard their information and hardware in various environments. Whether , in the office, or , our USB port blockers provide peace of mind with a simple yet effective barrier against physical data theft and environmental damage. They are commonly applied to protect the ports of the computers and the laptops. These computer port anti-dust plugs are made of high quality PC. Dust plugs are and perfect for protecting computer ports from dust, liquid and oxidation rust. Color: Black Material: PC Package Contents: 10 x USB Dust Plug 1 x key Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.