Our 27 oz Stainless Steel Water Bottle is perfect for keeping everything cold for 24 hours and hot for 12. The large mouth makes it easy to add ice cubes or citrus slices, portable handles make it easy to carry with you wherever you go, leak proof lid design ensures nothing gets on your bag or clothes. This item does not contain any BPA, phthalates, lead, or other harmful chemicals. They are constructed of food-grade materials that have been FDA-approved and passed California Proposition 65.