Corkcicle Canteen Waterman Collection-Water Bottle & Thermos-Triple Insulated Shatterproof Stainless Steel, 16 oz, Waterman Seafoam Corkcicle is the only authorized Seller of this product. Any other sellers are not authorized and will not be warrantied by Corkcicle Keeps beverages cold for over 25 hours, hot for over 12 hours, and is stylish yet durable Shatterproof stainless steel interior lining doesn't affect or retain taste and is easy to clean Industry-leading three layers of insulation eliminates condensation and won't burn your Hands Features a no-leak threaded screw top, Patented easy-grip sides, and a non-slip bottom