The description of the Welsh Flag is as follows:
Two equal horizontal bands of white (top), and red
Red Dragon Emblem
According to Ancient and Heraldic traditions much symbolism is associated with colors. The colors on the Welsh flag represent
the following:    White - peace and honesty   Red - hardiness, bravery, strength & valour
Green - hope, joy and love and in many cultures have a sacred significance
The basic style shown in the picture of the Welsh flag is described as Emblem reflecting the central design of the flag pattern
All Flag pictures depict flags flying, from the viewer's point of view, from left to right
The shape and flag ratio of the Welsh flag is described as 2:3 ( length 1½ times the height )
The Meaning & History of the Welsh Flag..   The Welsh flag is known as Y Ddraig Goch, the Red Dragon
The Romans carried banners bearing Dragon emblems - it is believed that legends about dragons were passed to the Romans
from the Persian Empire.   The Welsh hero Cadwaladr carried the dragon standard in the 700's
The Tudors claimed Welsh ancestry and their livery was green and white. The Tudors claim to the English throne was
strengthened by this association.   The Welsh flag has been officially used since the 1950s