The interior of the SUSTEAS electric kettle is made of 18/8 stainless steel (including spout and lid), which greatly improves durability and safety. All plastic parts in contact with water are BPA free for peace of mind. The exterior surface is treated with electroplating paint, which is wear-resistant and scratch-resistant, making it easy to maintain.SUSTEAS hot water kettle look exquisite and stunning, helping you create a coordinated kitchen for both modern and retro homes. We are dedicated to providing premium service and stand behind our products with a 1-year warranty.