64 oz. leak-resistant lid and ceramic lining 18/8 Recycled Stainless Steel Construction for durability and quality 3-in-1 Lid: Open, straw-ready (2 included), or leak-resistant closure. Ceramic Lining for superior taste and easy cleaning. 24-Hour Ice Retention keeps drinks refreshingly cold. Cup Holder-Friendly Design for on-the-go convenience. Comfortable Handle for easy carrying.