Introducing the Waves 450 ml copper vacuum insulated tumbler – a masterful blend of style, durability, and function. This double-walled tumbler features advanced copper vacuum insulation to maintain the temperature of your beverages for hours. Crafted from premium 18/8 stainless steel, it ensures optimal heat retention, keeping your drinks either piping hot or refreshingly cold as you desire. The design speaks elegance with its wavy geometric pattern, making it as visually appealing as it is practical. The screw-on leakproof lid is an added bonus, providing a secure seal to prevent any spills. Safety is paramount; hence, this tumbler is BPA-free and has passed rigorous testing under German Food Safe Legislation (LFGB), along with phthalate content verification in line with REACH regulations. With a generous volume capacity of 450 ml, it’s perfect for your daily hydration needs. Hand washing is recommended to maintain its quality. Packaged thoughtfully in a recycled cardboard gift box, this tumbler makes a perfect gift choice. Additionally, this product can be personalized to add a unique touch for yourself or a loved one.