Double walled 18/8 stainless steel vacuum water bottle. Higher Durability. Screw type cap for 100 percent Leak resistance with special temperature control system. Food grade. Rust proof. It keeps drinks hot for 18 hours and cold for 24 hours. Now keep things cool, healthy and fresh for longer hours. Narrow mouth for convenience of pouring and drinking.,,,,,Diemensions -230*65*65,The images represent actual product though color of the image and product may slightly differ..,All diemensions are in mm.