About this item PREMIUM SS304 STAINLESS STEEL: Inner Outer high-quality SS304 stainless steel with copper coating for better temperature retention TWIN LID DESIGN – SIP OR GULP: Smart 2-in-1 Lid water bottle offers 2 ways to drink - gulp during workouts or sip while traveling. Slide down to lock, slide up to open - perfect for on the go. LEAKPROOF & STURDY HANDLE: The secure, leakproof lid prevents spills, while the strong, ergonomic handle makes it easy to carry your sipper bottle anywhere, anytime for on-the-go hydration. PORTABLE & TRAVEL-FRIENDLY: Compact and easy to carry, this water bottle fits perfectly in your bag, backpack, or car cup holder - - ideal for staying hydrated at home, work, gym or on the go. VACUUM INSULATION | DOUBLE WALL: Double-wall vacuum insulation locks in temperature to keep beverages hot or cold for prolonged hours while preventing condensation on the outer surface.