Vendome blue to green flatback stone bangle and drop earring set. Vendome is known for some of the most unique vintage glass jewelry that was on the market. This set is no exception. The blue plastic bangle is covered in shades of blue from dark to light, including a peridot green, as are the adjustable clip drop earrings. The inside of the bangle is 2-1/8 inches across, and the earrings are 1-7/8 inch long.