Portable And Leak Resistant - This vacuum flask has a compact design and is lightweight. It can easily fit in your bag as it does not take up much space. It has a tight insulation lid that fits perfectly and prevents any liquid from falling. It is leak-proof and is safe to be put in a travel bag.Preserves Flavor And Freshness - The bottle is eco-friendly it is safe to put your drinks inside it. It maintains hygiene, and by using it, you are refusing plastic bottles which are harmful to the planet. It maintains the flavor and preserves the original freshness of the drink. You can enjoy the same warm or cold cup of your favorite drink at its best flavor.High-Quality Vacuum Insulation - This Royalford thermo vacuum flask has double wall insulation with a vacuum inside. It prevents the heat from escaping out or entering in. This way it maintains a constant temperature inside and keeps the liquid hot or cold.Double Wall Stainless Steel Body -The body is made from stainless steel. It also has a 304 Stainless Steel inner pot. It gives the bottle an elegant touch and is super effective in maintaining the internal temperature. With the open mouth style, you can put ice cubes inside with ease. It is super easy to clean and is dishwasher safe. Therefore, you can leave the cleaning to the washer and get is ready to be used.