16 oz Travel Coffee Mug: Keep Hot & Cold 24H, Double Wall Vacuum with Copper-Layer Insulated Tumbler, Leak Proof BPA-Free Matcha Cup with Lid, Reusable for Iced Coffee, Portable for Outdoor Blue

["【High Insulation Performance】: This insulated coffee cup adopts double-walled vacuum structure with copper-layer insulation technology. It maintains ideal drinking temperature for hours, keeps drinks hot for up to 24 hours, and delivers long-lasting heat and cold retention for daily use","【Twist-to-Drink Design】: Simply rotate the lid 180° counterclockwise until it clicks into place for direct drinking. Built with dual-track magnetic sliding technology for smooth operation. Dual narrow drinking spouts deliver gentle, steady liquid flow for relaxed, comfortable coffee sipping with anti-splash performance","【Smile-To-Laugh Sip Lid】: When closed, the sip opening looks like a gentle smile; when opened, it turns into a bigger laugh. The stainless steel structure helps slow ice melting for cold brew, iced Americano and iced latte, helps prevent flavor dilution","【Food-Grade Material】: This coffee tumbler is constructed from food-grade 304 stainless steel for long-lasting durability. Made with BPA-free materials, featuring a tight spill-proof seal and a thickened steel ring base for enhanced sturdiness and daily wear resistance","【Detachable & Dishwasher Safe】: The fully detachable lid enables deep cleaning with no hidden crevices to prevent coffee stain buildup. Both the mug body and lid are fully dishwasher safe for convenient daily maintenance","【Leak and Overflow Prevention】: This 16 oz insulated coffee cup features an airtight sealing lid and a rotating interface, providing reliable spill and leak prevention. Even in bumpy commutes, unexpected tilts, or daily travels, it helps prevent liquid spills and splashes, keeping your bags, cars, and tables clean"]