Finally a vacuum insulated stainless steel water bottle that's easy to clean! Just twist to remove Pip's base to easily clean the inside of your bottle and add ice. This 12-Ounce Vacuum insulated stainless steel water bottle keeps drinks cold up to 24 hours. Pip's leak-proof one touch flip lid opens with the push of a button. An FDA food grade silicone spout is designed for comfortable drinking. Pip's lid features a built-in carry loop for easy transport. All parts of the Riley are BPA free. It is recommended that the vessel should be hand washed and the lid is dishwasher safe. Recommended for use with cold beverages only. Not intended for us with hot or carbonated beverages.