The Simple ideas are always the Best. Great every day wear. Perfect for day or night. Just one plain & simple button on a contemporary snake chain. This pendant is such simple idea that it has definitely got to be one of our Best Sellers. The button measures 1.7 cm in diameter. Comes on a 16inch or 18inch snake chain. You can remove the snake chain that comes with the Button Pendant & add on any other chain. Please take a look at my other button pieces to match & add to your set. (Also comes in a beautiful box with the Designer