The Ello Cole vacuum insulated stainless steel travel mug is designed to give you the perfect pick-me-up while on the go. Its new patented slider lid is 100% leak-proof and easy to use. Vacuum insulation keeps beverages hot for up to 5 hours and cold for up to 10. The cork composite base protects tabletops and fits in most car cup holders. 100% BPA/BPS free and dishwasher safe. Do not freeze or microwave this product. Ello is dedicated to creating stylish drink ware that provide our customers with the perfect pick-me-up to brighten up their day.