U Insulated Stainless Steel Bottle 1 Litre with Sipper Lid-Double Wall Vacuum Thermos | Leak Proof | Rust Proof | Keeps Drinks Hot/Cold for 6-12 Hours | Flip Up Handle (Pack of 6, Olive Safe & Eco friendly: Made of 304 Food-Grade Stainless Steel.Our bottle is safe for you and your family and is eco-friendly, BPA free rust-free, and super durable. Maintains Temperature: The double-wall, vacuum-insulated design locks in heat or cold for up to 6-12 hours, making it perfect for home, gym, camping, or daily travel. Leak-Proof and Spill-Proof Modern Design: The large, screw-on lid provides fast access to water inside and won't spill a drop, even when the bottle is tipped upside down or put in a gym bag. Thermos Hot and Cold Water Flask: Whether you're looking to keep your drinks hot or cold, this flask is the perfect choice. Easy to Carry: flip-up carry handle is always locked in the correct position, making it easy to carry and clean.