Amazon.com: [4-Pack] Cozy USB Caps/Covers/Tether for USB A Cables with Dust Protection, Protects During Travel, Portable, Designed by Cozy (USB A Black) : Electronics
5pcs Dustproof Cover Cap Jack Charger Plug USB Type-C Port Anti-dust Plug For Mobile Phone - AliExpress
10pcs Dust Cover Cap for USB 2.0 Extension Cable A Type USB Case for Data Sync Transfer Extender Cable for Computer Data Line - AliExpress
USB Type C Cable Male Plug Connector Silicone Rubber Dust Cover - MODCOVER
USB Type B Jack Dust Cover
Rugged USB Type-A Tethered Dust Plug -- DataPro
CozyCaps USB Caps – Cozy Industries
USB-C Dust Cover Plug -- DataPro
IP55 USB Dust Cover for Single Port Snap-In Panel Mount Cables - OCP Group Inc.
USB DUST COVERS・USB CAPS・RJ45 COVERS・HDMI COVERS・D-sub COVERS・FIBER OPTIC PORT PLUG | PRODUCTS | TAKACHI - Manufacturer of electronics enclosures and industrial enclosures
Boc USB Cover Anti-dust Protective PE Mini USB-A Protective Sleeve for U Disk - Walmart.com
Protective Cap / Cover for Mini USB Port, Flush Face, Rubber, BLACK
726291100 - Wurth Elektronik - Dust Cap / Cover, Dust Cap, Micro USB Connectors
Amazon.com: KENTEK Lot of 10 PCs USB 2.0/3.0 Type A Dust Cover with Handle Port Protectors Anti-Dust Dirt for USB Female Ports Black : Electronics
modDIY USB Protective Jack Cover - MODDIY
10 sets USB Male for iPhone iPad iPod DIY Connector Solder Housing Cover White | eBay
PortPlugs USB-C Cable Cover (5-Pack) | PortPlugs
Delock Products 64007 Delock Dust Cover for USB 2.0 Micro-B female without grip 10 pieces black
USB-C Cover Accessory Kit – Hammerhead
20pcs Dust Cover Cap for Type C Type-C 3.0 3.1 USB General USB Case for Data Sync Transfer Extender Cable Transparent Cover - AliExpress
USB Port Cover by IDeMa 3D | Download free STL model | Printables.com