All pots of Olina series is made of high quality stainless steel 18/10. Durable three-ply capsular bottom ensures the uniform heat distribution. The lid was manufactured of heat resistant tempered glass and silicone ring on the lid makes the lid fit tighte. Comfortable stay-cool handles with silicone coating make it easier to work with the hot pots. Liter marks inside of pots are used for simple determination of the required volume of water and food. All pots are suitable for all types of stoves, including induction. Guarantee on Olina series cookware is 10 years.