Stay hydrated with the ECO-SIPPER PRO 850ml Stainless Steel Sipper—a durable, BPA-free, rust-free, and eco-friendly water bottle designed for daily use. Its double wall vacuum insulation keeps drinks hot for 8 hours or cold for 12, while the leakproof lid, wide mouth, and bamboo straw make it easy to use on the go. Whether you need a gym sipper bottle, travel-friendly bottle, or a stylish desk companion, this food-grade steel sipper delivers every time.