USB-A Port Blocker Dust Plugs with Key 50-Pack

Color-coded USB-A port blockers that insert securely into unused computer and hub ports to prevent dust accumulation, liquid spills, and unauthorized thumb drive access. Each pack includes a removal key for quick extraction when ports are needed for legitimate peripherals.

Ideal for securing workstations in schools, libraries, healthcare facilities, and corporate environments where data security and port hygiene are priorities.