Silicone Mini HDMI Dust Cover Inserts - 10 Pack : ID 5213 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
10pcs Universal Dust Cap Dust proof Protection Cover for HDMI Male Plug Connector|cover for|cover coverscover protection - AliExpress
4K HDMI Wall Plate, Fosmon 1-Port HDMI Cable Cord with Ethernet + Coaxial TV F Connector, Single Outlet Port Faceplate Cover for HDTV, Home Theater, DVD, Xbox, PS3/PS4, Nintendo Switch - 2
HDMI Type C / Mini HDMI Anti Dust Cover | ILavModding