Waterproof & Dustproof Protection: Made of rubber/silicone material, these seals block moisture, dust and debris from entering automotive connectors, ensuring stable electrical performance in harsh environments Wide Gauge Compatibility: Fits multiple wire gauges for automotive wiring, adapting to different electrical components. Provides tight sealing for wires without loosening or leakage Dual Function Design: Works as wire seals for connector cables and cavity plugs for unused connector holes. Fills gaps completely to enhance overall sealing effect Easy Installation & Storage: Self-lubricating surface allows smooth installation over wires. Comes in a portable case for organized storage, convenient to carry for on-site repairs Automotive-Specific Application: Ideal for car wiring projects, automotive electrical system maintenance and car modification. Compatible with most standard automotive connectors for versatile use