proper insulation and temperature control. It helps keep hot and cold drinks stay hot (up to 5 hours) and cold (up to 12 hours) to ensure that you enjoy your morning coffee, daily tea or any drink of choice. The sleek and portable design is office-friendly and picnic-ready. This portable tumbler lets you take drinks on the go - from your home kitchen or office desk to the gym or out in the wild. It comes with a leak-resistant, airtight lid for a mess-free road trip to your next destination.