12oz/16oz Ceramic-Coated No-Screw Insulated Coffee Tumbler – Zero Metallic Taste

The Ceramic-Coated No-Screw Coffee Tumbler is an insulated travel mug built around one idea: your coffee should taste like coffee — not metal. A seamless ceramic-coated interior is the only surface your drink touches, so there's no metallic aftertaste. A patented no-screw, twist-free lid opens with a single push, and a flush silicone seal keeps it leak-proof — even upside-down in your bag. Pure Coffee Taste, Ceramic Inside Inside this tumbler, the only thing your coffee touches is a smooth, food-safe ceramic coating over a seamless one-piece liner. That ceramic layer is what locks in flavor: coffee, tea and acidic drinks keep their true taste, with no metallic aftertaste and no lingering smells. The wide mouth and removable silicone gasket make it genuinely easy to clean. Ceramic-coated interior = the taste-neutral surface that keeps your brew pure, cup after cup. One Push. No Screw Threads. No threads to line up, no cap to twist. Push the twist-free lid up to drink, press it down to seal. One hand, one second — in the car, at your desk, on the move. Push up to open, press down to close. No twisting. No waiting. Two Ways to Drink Closed — small sips. Anti-scald, anti-spill. The way to enjoy a hot latte. Open — big gulps. Refreshing and fast. The way to crush an iced Americano. Stays Warm for Hours Double-wall vacuum insulation holds your coffee at a comfortable temperature long after you pour. In lab testing, a boiling fill measured 60°C after 6 hours — well above the national-standard benchmark. Fill it in the morning; it's still warm in the afternoon. Tested with a 473 ml boiling fill at ~20°C ambient. Lab data, for reference only; real-world results vary with fill volume and ambient temperature. Leak-Proof in Your Bag Closed means sealed. The removable silicone gasket sits flush against the rim, so it won't leak even placed upside-down in a tote. Toss it in with your laptop and go. Made for Every Moment At your desk — sip without breaking focus At home — one-handed open and close In the car — fits the cup holder, push and go Engineered Around the Twist-Free Lid This tumbler is built by Revomax, the drinkware engineer behind the original push-to-open insulated bottle. The twist-free lid and tumbler design are protected by registered utility-model and design patents — the threadless mechanism isn't a gimmick, it's the patented core of how the bottle opens, seals and stays leak-proof. Specifications Type Insulated Coffee Tumbler (Twist-Free No-Screw Lid) Capacity 12 oz / 355 ml · 16 oz / 473 ml Interior Surface Food-grade Ceramic Coating (the surface your drink contacts) Liner / Body Double-wall 304 Food-Grade Stainless Steel Lid Food-grade PP / ABS / Modified PCT Seal Removable Silicone Gasket Handle TPS + 304 Stainless Steel Insulation Stays warm 6+ hrs (60°C after 6h, boiling fill, lab data) Dimensions 12oz: 15.9 × 6.8 cm · 16oz: 19.8 × 6.8 cm Base 6.8 cm — fits standard car cup holders Colors Black · White · Gunmetal Safety BPA-free, food-grade, odorless Shipping & Warranty Free shipping to the USA & Canada — import duties pre-paid. Lifetime warranty on manufacturing defects and insulation performance. 30-day returns — hassle-free. Looking for an all-day water bottle too? Explore the rest of the Hikesity hydration collection. FAQ Does this coffee tumbler have a metallic taste? No. The interior is finished with a food-grade ceramic coating, and that ceramic surface is the only thing your drink touches — so coffee, tea and acidic drinks keep their pure flavor with no metallic aftertaste. What is the inside of the tumbler made of? The interior is a seamless liner finished with a food-grade ceramic coating. The ceramic layer is the contact surface for your drink; the double-wall body underneath is 304 food-grade stainless steel. How does the no-screw lid work? Push the lid up to open and drink, press it down to close and lock. There are no screw threads — it works one-handed in about one second. Is it leak-proof in a bag? Yes. A removable silicone gasket seals tight, so it won't leak even placed upside-down in a tote. Can I use it for both hot and cold drinks? Yes. Keep the lid closed for small-sip mode with hot lattes, or push it open for big-gulp mode with iced Americano. It stays warm for 6+ hours. How do I clean it? The wide mouth and seamless liner make it easy to hand-wash with warm water (under 80°C); the gasket is removable. Not dishwasher, microwave or freezer safe. Will it fit a car cup holder? Yes. The 6.8 cm base fits standard car cup holders.