The outer layer is sealed with PP, The inner tank material is made of silver-plated glass, which is corrosion-resistant, has no peculiar smell, the double-layer process has a preservation time of up to 24 hours from the heat. One-key press for water outlet: The press-type water outlet design, which is sealed and leak-proof, and can prolong kettle heat preservation time at the same time 1000ML large-capacity -layer pot insulation, meet your consumption needs, no need to pour water frequently. Long Heat & Cold Retention - Thermos carafe is designed with double wall vacuum insulation, preserving heat for several hours. It will keep 100 water to 75 after 24 hours under about 20 room temperature. Leak-proof: Our leak-proof lid is designed with a new insulated and air-tight construction, larger size silicon rings; always locks in the correct place. Even with a slight tilt our thermal will not leak one single drip. The solid wood grain wide handle is portable and comfortable to wear. The cover fits tightly sealed rotary screw. It has four colors, you can do it in will Get it Material: glass coating, outer PP and silica gel Long-term heat preservation, 24 hours -41 degrees Celsius Capacity: 100OML Cover Diameter: 12.5cm / 4.92inch Base Diameter: 12.8cm / 5.04inch Height: 24.5cm / 9.64inch Weight: 610g The package includes: 1 x Thermos Pot