The Siena Water Glass in Amethyst from William Yeoward is bright, stylish and vibrant. A pleasingly round bowl sits atop a charmingly knobbed stem and a simple, sturdy base. Its ideal 11-ounce capacity makes it appropriate for a variety of settings. William Yeoward's balance of traditional quality and modern style has earned the London company global renown as well as a Royal Warrant from the Prince of Wales.