Premium to-go tumbler with a handy stainless steel push-top opening mechanism that allows for one-hand operation. RCS certified stainless steel body with a durable power coating. The lid is made of RCS certified stainless steel and PP plastic. Copper plating and ceramic lining. Fits most common car cup holders. Keeps drinks 12 hours hot or 24 hours cold. Presented in a recycled cardboard gift box. Volume capacity: 350 ml.