A round vessel bathroom copper sink is a type of sink that is made from copper and is designed to be installed on a countertop or vanity. It has a round shape and a raised basin that sits on top of the counter, giving it a distinctive and unique look. The copper material gives the sink a warm and inviting feel and is also durable and easy to maintain. The sink is often handcrafted and may feature hammered or textured details for added visual interest. It is a popular choice for those looking to add a touch of rustic charm to their bathroom design.