West Elm Oversized Pure White Ceramic Vases.
Made from ceramic stoneware and glazed for a polished finish these large-scale Pure White Vases make a statement whether filled with botanicals or displayed on their own.
Link to the manufacturer: https://www.westelm.com/ 

Who works with V-Ray version lower than 3.1 pay attention to materials section BRDF (Microfaset GTR (GGX)) if your version is older than 3.1 – this option will be empty and you have to choose:
BlinnWard or Phong depence on material.