Stay on top of your hydration needs with the Manna Mega Tumbler. Built-in insulation helps keep your drink cold for up to 24 hours or hot for up to 8 hours. Durable stainless steel construction. Insulation keeps drinks cold for up to 24 hours or hot for up 8 hours. Condensation- and BPA-free. Includes a stainless steel straw with a removable silicone tip. Backed by the manufacturer's limited lifetime warranty. Reusable & avoids disposables — designed to be used repeatedly, helping you avoid single-use disposables and potentially save money.