Premium Insulated Travel Tumbler with Double-Wall Vacuum Technology Experience optimal temperature retention with our insulated travel tumbler, designed to keep beverages hot for up to 8 hours and cold for up to 6 hours. Crafted with food-grade 304 stainless steel interior, this tumbler ensures safe, healthy drinking while being odorless, rust-resistant, and BPA-free. The protective silicone sleeve provides a comfortable, slip-resistant grip. Engineered with a leak-proof, spill-proof screw-on lid featuring an additional sealing ring, this tumbler guarantees secure transport in bags or during commutes. The convenient drinking spout allows for easy sipping anywhere. With its 12oz capacity, it offers the perfect size for daily use while fitting most car cup holders and coffee makers. The wide-mouth design facilitates easy cleaning and maintenance (hand wash recommended only). This versatile tumbler serves as an excellent gift option and is ideal for various settings including offices, travel, outdoor activities, and as a premium addition to tea collections or hospitality offerings.zq20260203114443