This stainless steel vacuum mug set is perfect for keeping your beverages hot or cold for 6-12 hours. The three-piece set includes a 500ml vacuum flask, a stainless steel insulation cup, and a water bottle for kids. The push-button lid and insulated design make it a portable and convenient choice for travel. Made with inner304 outer201 stainless steel, this thermos cup is durable and easy to clean. It is certified with CE/EU and is recommended to be hand washed only. With a solid gray color and sleek design, this vacuum flask set is a stylish addition to any kitchen or dining area.