Stainless Steel Design The whole body of the teapot is made of stainless steel, the thick body makes it more durable and sturdy. 5-layer metal bottom with high thermal conductivity for more uniform heating and longer service life. Perfect Kettle Whistling - This stove top kettle features an airtight lid that keeps steam in the kettle hot for quick heating, and whistles sound when the water reaches a boil, loud enough to alert you when you are busy in the next room. SUITABLE FOR VARIOUS STOVES - Teapot suitable for all heat sources, including induction cookers, electric stoves, gas stoves, radiant cookers. Please use medium heat source and extend the service life, otherwise it may burn the dry kettle and discolor the body surface. WARNING TIPS Please use small or medium heating flame to avoid teapot body discoloration or discoloration. This is a normal phenomenon and can be removed if the stainless steel produces rust or limescale inside the kettle. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, language of product, labelling or instructions. Bouilloire sifflante en acier inoxydable de qualité alimentaire, eau chaude à ébullition rapide pour cuisinière