This premium flask is made of high quality 304 grade stainless steelFully insulated, double walled & Vacuumized for better temperature retentionRetains temperature for upto 16 hours!Cola flask, also known as cola bottle is a stylish way to carry your beveragesHas a silicon ring around the cap for comfortable gripComes with a storage pouch for carrying easilyBeautiful design, easy on eyesCapacity: 750 ml (approx)Available in 2 colors: Wine Red & Metallic Gray