Oarencol 20 oz Insulated Stainless Steel tumbler is designed for everyday use at home, in the office, school, outdoor parties and events, such like sports, traveling, camping and driving. Perfect for office workers, drivers, students, teachers, BBQ experts, party favors, sailors, etc. We also have a variety of insulated water bottles with different patterns for you to choose from. This is the perfect gift for birthdays, Christmas, Mothers Day, Fathers Day, Anniversary. OARENCOL 20OZ TUMBLER WITH LID AND STRAW: 304 18/8 food grade stainless steel; BPA free and non-toxic. Rust-proof, easy wash and unbreakable. Our tumbler can keep beverages cold for up to 18 hours and keep hot for at least 6 hours. The 20 oz. 6.6 x 3.3 inches. Lightweight and compact feel make it easy to fit into most car cup holders. This dual-use lid of thermal cup, not only can you open the lid and drink directly from the flip lid,but also can insert a stainless steel straw in the middle and drink coffee. Gently fits into your hand with an Anti-Sweat design. Take our reusable water bottle with you to keep yourself hydrated and enjoy every sip of the drink. SET INCLUDED: 20 oz Stainless Steel Tumbler x 1. Stainless Steel Straws x 2. Straw Cleaning Brush x 1. USE TIPS & CLEAN UP: In order to achieve the best effect of keeping the cup hot and cold, it is recommended to add hot water or ice water for preheating or pre-cooling. It is better to add ice cubes when keeping cold. Not dishwasher safe. When cleaning, please use neutral detergent and warm water to clean. OUR SERVICE GUARANTEE: If you have any issues, suggestions, questions, or concerns. Please tell us, we will respond you within 24 hours and resolve the issue as soon as possible.