This product is a car vacuum cup. The mouth of the cup is smooth and not easy to scratch while preserving temperature of inner content. Let you enjoy hot or cold drink wherever you go. Sturdy material enjoys the wonderful durability. Features - Material: Stainless steel, AS plastic, silicone. - Size: 20 x 10 x 7 cm/7.86 x 3.93 x 2.75 inch. - Capacity: 30oz. - High-quality stainless steel material, suitable for hot and cold drink. - The cup can be used to hold water, fruit tea, scented tea, etc. - Stainless steel liner is corrosion-resistant, not rusted and dirt is not easy to stick. - Good sealing, not easy to leak, leak proof, easy and convenient to use . - It is a good choice as a gift for people who have car, they will like it very much.