Keep Drinks Cold & Hot: Featuring double-wall vacuum insulation technology, this high-performance water bottle keeps drinks ice cold for 24 hours and hot for 12 hours. Safe And Reliable: Constructed from premium 18/8 food-grade stainless steel, it is durable and rust-resistant. The BPA-free lid is leak-proof and sweat-proof, ensuring a comfortable grip. Perfect Size: Designed for daily use, the bottle fits perfectly in most car cup holders. Functional Style: Engineered with spill-proof and leak-proof features, it is ideal for convenient everyday use and travel. Keep Hydration: Encourages increased water intake, making it suitable for sports, work, and various daily scenarios