Rincy Stainless Steel Water Bottle - 18 OZ. is made of BPA free and safe stainless steel material. Adopts double wall vacuum insulation design which can keep drinks hot for up to 6 hours and cold for up to 12 hours. Straw Lid with carrying handle to help prevent leaks and comfortable holding. This bottle is compact and light, suitable for taking to work, school, travel, etc. Rush 3 days available with rush charge upon request. Imprint drinkware only can be handwash. BPA FREE, FDA certified