Aquatix insulated water bottles will not only keep you hydrated but are good for the earth as well. Aquatix insulated water bottles are easy to hand wash or clean with NO aftertaste after cleaning. Free of phthalates other toxins such as lead or anything harmful to the body or earth. 18 of 8 Stainless Steel Construction is light weight but durable Double Vacuum Insulated keeps liquids hot for up to 12 hours and cold 24 hours. Will Not Sweat meaning it will not create condensation which may leave a ring of liquid on your expensive burled walnut side table.