Although the Union Flag represents the United Kingdom of Great Britain and Northern Ireland, it does not seem to include any Welsh symbols or colours
British Shirt,united Kingdom Flag Coat of Arms Shirt,world Flags
Union Jack The Royal Family
Flag of the United Kingdom History, Meaning, Colors & Design
If Scotland leaves the Union, could the blue drop out of the red,white
The Union Jack Vexillology as a hobby
Union Jack The Royal Family
The Vexillology of Wales and the Union Flag - Historic UK
UK flag protocol
Vexillology hi-res stock photography and images - Alamy
UK Flag design: comments
The best of /r/vexillology — Flag of the United Kingdom of England