Stainless steel, insulated, refillable, reusable—our 20 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice—and get yourself a bigger gulp. Fill up for adventure. TempShield®️ double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™️ Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer