The 27 oz. Stainless Steel Water Bottle with Silicone Bottom Sleeve is perfect for keeping everything cool or hot. The stylish and durable design is engineered to keep drinks cold for 24 hours and hot for 12, with double wall vacuum insulation for maximum temperature retention. The wide 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. The non-slip silicone bottom sleeve helps keep the bottom of your bottle from getting dents, dings, scratches, and other flaws. There are several colors to choose from. The water bottle's diameter is under 3 inches, so it will fit in virtually any car's cup holder. 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.