Our Tac Ruck Bottle is constructed from high-quality double-wall stainless steel, ensuring your enemy's souls stay ice cold for up to 24 hours. The rugged tactical sleeve is suited for outdoor activities, gym sessions, shooting ranges, and job sites. It is the only way to keep hydrated after intense soul-stacking!  Tough and adaptable removable sleeve Military-grade polyester construction Removable utility pouch fits a flask or cell phone MOLLE webbing and metal carabiner for looping additional tac items and pouches  Adjustable carry strap and belt loops 24 hours cold, 12 hours hot 32 oz. double-wall stainless steel bottle provides pure taste and no flavor transfer Includes both a wide mouth cap and spout cap Bottle opening is ice-cube-friendly and fits most backcountry water filters BPA-Free, dishwasher safe - hand washing is recommended Not for use on a stove, in a microwave or freezer