Stainless steel Stainless Steel Thermos Coffee Cup SetThis 4-piece luxury coffee tea flask can be used to keep both hot drinks and cold drinks. Water Bottle Made from stainless steel, it is corrosion-resistant, and reusable, which is very practical for use.Specification:Material:Food grade 18/8 stainless steelCapacity:16.9 ounces (500 ml)Caliber:2 inchesBottle size:9.5 x 2.6 inchesColor:GreenSet Include:Insulated travel mug X 1Separate Cup Lid X 3Gift Packing X 1Double layer:The stainless steel bottle is double layered, which can keep the beverage hot and cold.The outer wall will never feel cold or hot, and for convenience, it will be kept at room temperature.Features:Our Insulated Water Bottle made from stainless steel, it has nice corrosion resistance and durability.Adopts vacuum technology, and supports heat and cold preservation.Easy-open cup cover and smooth cup mouth bring a nice using experience.The matting cup body provides a comfortable hand feel.Lightweight, compact,portable, and convenient for you to carry anywhere.Suitable for travel use, home uses outdoor camping.Satisfactory Customer Service:If you are not satisfied with our products or have any quality problems,Please feel free to contact us and we will provide you with the corresponding solutions.