304 Stainless Steel Inner LayerStandard food-grade stainless steel, rust-free, anti-scaling, odorless, easy to clean1.5L Large CapacityOne boiling can meet a family drink for multiple members, no need to boil water frequentlyAnti-scalding Double LayersWith the hollow insulation layer between inner and outer layer, it provides more heat insulation to protect you from scaldingSuperior STRIX Temperature