About this item DURABLE AND BPA-FREE TUMBLER: This 20oz travel mug is made with high-grade 304 18/8 Food Grade Stainless Steel, anti-rust and lead free, unbreakable and stands up to heavy use through every season.clear press-on lid helps you see what's inside. DOUBLE WALL VACUUM INSULATION DESIGN FOR EXCELLENT TEMPERATURE RETENTION: this stainless steel tumbler keep your on-the-go beverages hot for three hours or cold for nine hours, perfect for the office, road trips, camping and hiking, sporting active, picnics. STYLISH COFFEE CUP: superior powder coating finish against chips and scratches, sweat free, outside stays dry. grip fits easily in your hand, fits in most vehicle cup holders. EASY CLEANING: hand washing is recommended, electro-polished interior doesn't transfer flavor & no metal aftertaste, you don't have to worry about your morning coffee or afternoon teas being ruined. 100% GUARANTEE: Domicare is determined to provide the best tumbler and high quality service.We are so confident in the quality of our product. Money back guarantee if you are not 100% satisfied.