All kettles of Berna series are made of high quality stainless steel 18/10. Durable three-ply capsular bottom ensures the uniform heat distribution. Safe and loud flip top whistle with wide opening. Ergonomic heat resistant handle with push button to open spout. Easy fill and easy pour even with one hand. All kettles are suitable for all types of stoves, including induction. Guarantee on Berna series cookware is 5 years.