Premium Quality: Made from high-grade 304 stainless steel, this water bottle is BPA-free, lead-free, unbreakable, and rust-proof—safe for everyday use. Advanced Insulation: Double-walled vacuum insulation with inner copper coating offers superior temperature retention, keeping beverages hot or cold for long hours. Health & Flavor First: Preserves the taste and nutritive value of your drinks without leaching chemicals. Durable & Travel-Friendly: Lightweight, leak-proof, and easy to carry—ideal for offices, gyms, schools, and travel. Warranty Included: Backed by a 1-year warranty against manufacturing defects for peace of mind. Eco-Friendly Choice: Reusable design supports a sustainable lifestyle by reducing single-use plastic waste.