Enhanced Security: with our USB Port Blockers, designed to prevent unauthorized access to your USB ports. Design: Made with high-quality materials, these USB A Port Covers long-lasting protection for your devices. Universal Compatibility: Suitable for a wide range of computers and , these port covers are essential for safeguarding your personal and professional information. Easy to Use: Simply insert these covers into the USB ports of your device to enhance security instantly. No tools required. Color: Black Material: Plastic+Rubber Package Contents: 1 set * USB port lock 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.