If it appears to be a fuzzy material or a woven fabric (usually white, but can also be gray, black, or brown), its vinyl. If it looks like suede, its probably leather. If you already own a leather/vinyl match, pay careful attention to your conditioning regimen.
The left kidney, small intestine and descending colon are all found at the lower left side of the back, also known as the left lumbar region.
Diseases of the internal female reproductive organs can cause left lower abdominal pain specific to female patients. As you can see in the picture, female reproductive organs include two ovaries and fallopian tubes on two sides. The uterus or womb lies in the middle and connects to the cervix.