Our Classic screw top lid fits all Healthy Human Steins making it the first universal fitting lid for different sized water bottles on the market, making your life easier. Lined with pure clean 18/8 stainless steel so your beverage never touches plastic. Insulated to keep your drinks cold or hot even longer. Designed with BPA free, toxic free, durable sport plastic on the outside for everyday use. Leak proof design. Easy cleaning. Dishwasher safe. Comfort easy grip handle that allows for 3-4 finger carry. This is an exclusive Healthy Human trademarked patent pending design. Born in beautiful Charleston, SC and responsibly made in China.