⚠️Warning⚠️ Although new and unused, please understand that this item has been stored at home, so only purchase if you are comfortable with this. This is a set of 2. 0.5L stainless steel water bottles made of polypropylene, with thermal insulation and cooling functions. - Brand: RIVERS - Capacity: 0.5L - Colors: Cadet Blue & Black - Material: Polypropylene - Heat Retention: 73°C or higher for 6 hours - Cold Retention: 10°C or lower for 6 hours - Shape: Stainless steel - Intended Use: Portable Thank you for viewing.