XD Design Wave stainless steelvacuum flask is ideal for travelers or anyone at home who likes to enjoy a nice warm cup of coffee or tea. The design is veryelegant and practical. The difference between the other Wave is that this comes with a grip, delivering optimal drinking experience. This flask includes 2 matching drinking cups which delivers you a perfect, take away drinking experience. The double wall insulation will keep your drinks hot or cold for a longer period of time. The large content of 700ml (24 oz.) is perfect to take with you for a picnic, at work or along the weekend. The wave is made out of food grade safe and 100% BPA free material. Its easy to clean by hand wash. Like all Vacuum flask the wave is also not dishwasher safe. It can easily be washed by hand with hot water and soap.