Perfect for the Commute: 16 oz vacuum insulated stainless steel travel mug designed to keep drinks cold up to 10 hours and hot for 5 hours. Enjoy this stainless steel mug that is car cup friendly and completely leak-proof.Comfy Carry Handle: Convenient handle with Ello Evercork inlay is designed for taking coffee on-the-go.Guarateed Leak-Proof: Ello's patented sealing slider won't leak and is designed for easy, one-handed open/close.Easy Cleaning: To ensure product quality and longevity, hand wash the mug. The lid is dishwasher safe.Peace of Mind: All parts are BPA free. Ello's Lifetime Guarantee protects purchases from authorized retailers.