Constructed with a durable stainless steel exterior and smooth ceramic-lined interior, the Essential Tumbler from RTIC is perfect for your everyday. Keep drinks cold for 24 hours and hot for 6 with the double-wall insulation and enjoy the pure taste of your favorite drinks without any metallic aftertaste. The double-threaded lid is leak-resistant and snaps down to lock when you’re on-the-go. Comfortably set down your tumbler on any surface without scratches or clanking with the built-in silicone base.