Stainless steel, insulated, reusable, and sized for epic days—the 40 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. Details: 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 Compatible with the Wide Mouth Flex Sip Lid and Wide Mouth Straw Lid Lifetime Warranty Fits the Medium Sized Boots and Medium Packable Slings Comaptible with the Wide Mouth Chug Caps SKU: W40BTS110