The poly flat lid is a screw top made from Polypropylene #5. It is 100% BPA free, safe and non-leaching. Poly flat lids are available as separate items and fit to all bottles except the mega tanka.
ECOtanka lids are very easy to care for, simply wash and rinse as you would your dishes, or place in the dishwasher. They may be steralised briefly with boiling water. Please do not place in the freezer.
1 Year Warranty
All ECOtanka products come with a 1 year warranty against faulty manufacturing.