The Double Walled Tumbler with Silicone Cover 350ml in Gray is a sleek and functional drinking cup. It is designed with double-walled insulation to keep your hot drinks warm and your cold drinks chilled for hours. The tumbler also features a silicone cover that not only provides additional protection, but also offers a comfortable grip. With a capacity of 350ml, it is perfect for coffee, tea, or any other beverage of your choice. The gray color gives it a modern and sophisticated look.