16 pixels by 16 pixels is a common resolution for assets matching a low-res pixel art aesthetic. Although the assets may not be specifically 16x16, they are designed to work in a graphical setting where objects are around that size.
A gift-giving holiday celebrated on December 25th around the world, Christmas-themed works often incorporate depictions of snow, presents, or nods to its red and white-clad figurehead, Santa Claus.
