As vinyl is a synthetic material, it is not breathable like leather and therefore is not usually used regularly to make jackets and other pieces of clothing. It is also not as durable as leather and often splits or cracks much more easily.
The right upper quadrant (RUQ in the illustration) contains very significant organs, or at least portions of them. Within this quadrant you'll find the right portion of the liver, the gallbladder, right kidney, a small section of the stomach, part of the colon, and sections of small intestine.
Right lower quadrant: This quadrant contains more colon and the last part of the small intestine, where the appendix resides. In women, one of the ovaries is in this section. Lower left quadrant: The other ovary lives in the left lower quadrant, along with the last part of the colon.