Thanks to the Thermos-Insulation-Technology with outstanding insulating properties. For pouring out the plug must be untwisted just a little. There are no mechanical parts which can be contaminated or become obsolete. The handling is easy and energy-efficient. Weight: 346 g Volume: 470 ml Category: Drinking bottle Material Container: Stainless steel (18/8) Dimensions Width (cm): 7.3 cm Height (cm): 24.6 cm Bottles & Cups Characteristics: Double-walled Type: thermos flask Closing type: Twist-off cap with integrated seal Thermo function: Yes