Product Benefits 1.TempShield®️ double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 2.Flex Cap is leakproof when closed 3.Honeycomb™️ Insulated Cap for maximum temperature retention 4.Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer 5.Color Last™ powder coat is durable, sweat-free and colorful 6.BPA-Free 7.Dishwasher safe 8.Not for use on a stove, in a microwave or freezer