This 17 ounce double wall vacuum insulated water bottle was designed to keep cold drinks cold for 24 HOURS and hot drinks hot for up to 24 HOURS. Made from premium grade 18/8 stainless steel. non-toxic. non-leaking and BPA free. From your morning drink to your after hours workout, this is the perfect size bottle to keep you hydrated all day. Fits most cup holders and it's easy to drink from while you're on the go. Give as a gift and get one for yourself.