Experience convenience and style with the Slovic Vacuum Insulated Tumbler Bottle [400 ML] – Black, your ideal everyday companion for hot and cold beverages. Designed with advanced double-wall vacuum insulation, this sleek tumbler keeps your drinks hot for up to 6 hours and cold for up to 8 hours, ensuring every sip is just the way you like it. Crafted from BPA-free, food-grade stainless steel, the bottle ensures a safe, odor-free drinking experience. Its 100% leak-proof screw-on lid with silicone sealing keeps spills at bay—making it perfect for tossing into your backpack or carrying on the go. The compact 400 ml capacity fits easily in car cup holders, handbags, and laptop bags, offering a portable solution for office commutes, workouts, or weekend adventures. Built to last with a rust-resistant and durable exterior, the Slovic Tumbler combines performance and aesthetics in a minimalist, matte black finish. Whether you're sipping on your morning coffee, hydrating with water, or enjoying iced tea at the gym, this all-in-one tumbler brings you convenience, comfort, and confidence—wherever life takes you. [100% LEAK-PROOF DESIGN] 💧: Say goodbye to messy spills and leaks! The Slovic Tumbler Bottle features a tightly sealed, screw-on lid with precision threading and a silicone gasket that ensures a completely leak-proof experience—perfect for travel, gym, or office use. [VACUUM INSULATED TECHNOLOGY] 🔥❄️: Built with double-wall vacuum insulation, this tumbler keeps your drinks hot for up to 6 hours or cold for up to 8 hours, letting you enjoy every sip at the ideal temperature, no matter where you are. [BPA-FREE & SAFE MATERIALS] ✅: Crafted from food-grade stainless steel and BPA-free plastic, it guarantees a clean, non-toxic drinking experience without any harmful chemicals or unwanted flavors. [COMPACT & TRAVEL-FRIENDLY] 🧳: With a sleek 400 ml size and ergonomic design, this bottle fits easily in your hand, car cup holders, or backpacks—making it a convenient companion for commutes, workouts, or travel. [DURABLE & RUST-RESISTANT BUILD] 🛡️: Made from premium stainless steel, the Slovic Tumbler is designed to resist rust, dents, and daily wear, ensuring long-lasting performance through every season. [MULTI-PURPOSE USE] ☕🚰: Whether you’re sipping on coffee, tea, water, or juice, this versatile tumbler is ideal for home, office, gym, or outdoor adventures—offering comfort, style, and practicality in one.