The Faye 20oz Vacuum Tumbler with Stainless Steel Straw 20oz features double-wall stainless steel construction with vacuum insulation. Use it to keep your favorite beverages hot for five hours or cold for 15 hours. It comes with a food-grade stainless steel straw that has a comfortable removable silicone tip for safe sipping. The Faye also includes a spill-proof press-on lid, which features a slide closure. Reusable and dishwasher-safe, the included straw is an eco-friendly, environmentally responsible, and sustainable alternative to disposable plastic straws.