Premium 2-in-1 Travel Mug with Ceramic Coating Lined and 316 Medical Grade Stainless Steel This versatile travel mug combines functionality with durability, featuring a 100% leakproof design with folding straw and dual dust caps for spill-free transport. The 316 medical grade stainless steel body with ceramic interior lining offers superior oxidation and corrosion resistance, preventing metallic taste and rust while preserving the true flavor of beverages including tea, coffee, and juices. The multifunctional lid provides both direct drinking option and foldable straw, each with protective dust caps for enhanced hygiene. A removable built-in tea filter makes it ideal for tea connoisseurs, allowing for perfect brewing and steeping. Engineered with double-wall vacuum insulation, this mug maintains optimal temperatures for hours, keeping beverages hot or cold as desired. Available in multiple vibrant colors, it serves as an excellent promotional gift or premium product for various markets including tea brands, hospitality, and corporate gifting. Perfect for travel, commuting, gym sessions, or office use, this 18oz tumbler combines practicality with elegant design to meet diverse consumer needs.zq20260203115415