Made of high-quality stainless steel, our 20 ounce thermos cups are not easily broken or deformed, lightweight, easy to carry and well sealed. This thermos cup is suitable for indoor and outdoor, you can take it to work, exercise, hiking, you can use this cup in time to replenish water. Lightweight Size: 20 OZ skinny tumbler cup measures 8.3 x 2.8 inches and is easy to use, fitting into most people's hands and most cup holders. High-Quality Stainless Steel: Insulated coffee cup made of high-quality stainless steel, not easy to rust, durable, lightweight, easy to carry. The double walled travel coffee mug has an excellent sealing cover, with an anti-overflow seal and excellent thermal insulation performance. Double-wall structure: The cup body of the insulated tumblers cup has a double-wall vacuum insulation structure, whether it is cold or hot drinks, it can be kept warm for a long time, so that you can drink more easily. Wonderful Life Gift: Simple and stylish, can be used daily, but also as a gift to your family, friends, mom, dad, sister, brother, colleagues, aunts, uncles, for birthdays, Christmas, Thanksgiving, Halloween, Father's Day, Mother's Day, housewarming, wedding anniversaries,Valentine's Day, Easter, etc Portable Travel Cup: Stainless steel vacuum tea cup slim bottle can be placed in the side pocket of various travel bags, easy to use. It's perfect for a variety of activities such as work, gym, exercise, picnics, hiking, beach outings, go fishing or any daily activity.