Curved Stainless Bottle Matte Black 355ml A stainless steel bottle with a screw lid. This is a simple stainless steel bottle with a letter logo on the black body. A debossed Siren logo is featured on the top of the lid. The inner lid of the lid has ventilation holes, allowing you to enjoy the coffee aroma even more. It is also made of vacuum-insulated double-walled stainless steel, making it excellent for keeping drinks hot or cold. Product Name: Portable Stainless Steel Bottle Specifications: Vacuum Insulated Double Wall Construction Heat Retention: 49°C or higher (6 hours) Cold Retention: 10°C or higher (6 hours) Size (Width x Depth x Height): 7.6 x 7.6 x 19.9 cm Thank you for looking.