Details 100% Leakproof and Durable: The interior and exterior walls of this bottle are made of 304-grade stainless steel, which is safe and environmentally friendly. The leakproof lid with silicone ring and straw is made of food-grade PP material, which is BPA-free and safe to use. The double-wall insulation of this bottle helps keep drinks cold for 9 hours and hot for 5 hours. It is suitable for various beverages, such as coffee, milk, water, juice, etc. Easy to Carry and Clean: This bottle comes with a handle, which is convenient for you to carry and drink. The design make it easy to clean with a bottle brush Capacity 750 ML