The flag of Canada, also known as the Maple Leaf flag, has an aspect ratio of 1:2. It features two vertical red bands on each side (Pantone 186C) and a white square in the center. The red bands each have a width equal to 1/4 of the flag's length, while the white square has a width equal to 1/2 of the flag's length.

Inside the white square is a stylized, 11-pointed red maple leaf (Pantone 186C). The height of the leaf is 2/5 of the flag's width, and its width is 4/5 of the white square's width. The leaf's base aligns with the flag's horizontal centerline and its tip points towards the upper edge of the flag.

To summarize:

• Aspect ratio: 1:2
• Red bands: Pantone 186C, each with a width of 1/4 of the flag's length
• White square: width equal to 1/2 of the flag's length
• Maple leaf: Pantone 186C, 11-pointed, height 2/5 of the flag's width, width 4/5 of the white square's width