This vacuum travel flask has a stainless steel double wall, which makes it keep its content cold or hot for 24hours. Product features Liquid lock Stain-proof body coating, 24 hours Hot and Cold. 18/8 Stainless Steel Double wall Leak proof (Convenient Push-to-Pour Stopper). Odour free Elegant to carry (Including the shoulder strap for easy to carry) Unbreakable structure Comes with a cap that serves as cup Ideal for drinking water, carrying liquid and ice-cubes Air tight insulated cover maintains temperature Preserves flavor and FreshnessThis vacuum travel flask has a stainless steel double wall, which makes it keep its content cold or hot for 24hours. Product features Liquid lock Stain-proof body coating, 24 hours Hot and Cold. 18/8 Stainless Steel Double wall Leak proof (Convenient Push-to-Pour Stopper). Odour free Elegant to carry (Including the shoulder strap for easy to carry) Unbreakable structure Comes with a cap that serves as cup Ideal for drinking water, carrying liquid and ice-cubes Air tight insulated cover maintains temperature Preserves flavor and FreshnessThis vacuum travel flask has a stainless steel double wall, which makes it keep its content cold or hot for 24hours. Product features Liquid lock Stain-proof body coating, 24 hours Hot and Cold. 18/8 Stainless Steel Double wall Leak proof (Convenient Push-to-Pour Stopper). Odour free Elegant to carry (Including the shoulder strap for easy to carry) Unbreakable structure Comes with a cap that serves as cup Ideal for drinking water, carrying liquid and ice-cubes Air tight insulated cover maintains temperature Preserves flavor and Freshness