✅ ?Double Glass?: Made of double layer high borosilicate glass, completely transparent coffee maker . You can see every change of coffee when you make coffee, that will be going to a very happy process ✅? High Temperature Resistance?: Each coffee pot is made by hand , and using healthy lead-free high borosilicate glass made at 1508 Fahrenheit degree. Anti - burst, high temperature -22-392 Fahrenheit ✅ ?Easy to Clean?: The french press coffee maker's lid and strainer of this french press are made of food-grade 304 stainless steel. Direct contact with hot water does not produce harmful gases or odors. Each part can be removed and cleaned easily ✅? Eagle Mouth Designed?: The french press is designed for the eagle mouth, it's easier to pour coffee or tea and it doesn't leak ✅?Quality Assurance? :We have given you two additional filters for replacement. Make sure the french press will use last longer