The Rondalyn self-rimming drop-in bathroom sink is designed to fit vanity countertops with a 19 in. cutout. If you need to cut a round hole in your counter, this white sink from American Standard comes with a template to guide your saw. The tapered edge supplies a nice transition from the sink to the counter regardless of whether you have laminate, granite, marble or tile atop the vanity. Its constructed with high-gloss vitreous china which resists cracks and stains and takes a shine easily. Size: 20.00 In.