Good Quality Phone Silicone USB Dust Plugs with LFGB Standard. Custom Sizes Available: Custom sizes available with less tooling cost and customer design accepted. Chemical & Reusable: Reusable, chemical resistant, and made from fully cured silicone to avoid leaching. Wide Application Range: Ideal for powder coating, e-coating, plating, anodizing, and masking situations. LFGB Standard Quality: Good quality phone silicone USB dust plugs meeting LFGB standard requirements. Fast Shipment & Delivery: In stock for immediate shipment with on-time delivery and 7-30 days lead time. OEM/ODM Service: OEM and ODM services available with smooth and quick communication. Excellent Quality Control: Reasonable price with excellent quality control and small order acceptance.