Why should I buy a Smoky Mountain Growler? Because they are just downright cool and hot! They are BPA and Toxin FREE. They are made from High Quality 18/8 Food Grade Stainless Steel and are 100% Recyclable. They keep your beverages Fresh and Cold for up to 24 hours and keep Hot for up to 12 hours without priming - when primed HOT up to 24 hrs and COLD up to 3 DAYS! Why 18/8 Stainless Steel? Stainless steel is one of the most hygienic materials available. Its unique surface has no pores or cracks to harbour dirt, grime or bacteria. It is corrosion resistant, non-leaching and safe! You can switch between water, juice or milk drinks and there will be no taste or smell of any of them after the bottle has been washed! How do I clean my Smoky Mountain Growler? It is easy to keep your drink bottle clean. Simply wash it in warm water with a mild detergent. If you live in an area with a high mineral content in the water, you can remove calcium deposits by washing the bottle with warm water and white vinegar. Washing these bottles in the dishwasher, is not recommended. Bleach (or any chloride containing detergent) or ammonia should not be used on stainless steel. **Silicone Seal - you can occasionally remove and clean the silicone seal with warm soapy water. From time to time your seal may partially slide off - you can simply push it back into place,this is normally caused from over tightening the lid and can occasionally happen from very hot liquids. Should you ever need a new seal contact us for a replacement free of charge. How do I prime my Smoky Mountain Growler? Priming your bottle is easy! HOT up to 24 hours - Put boiling water in bottle and let set 30 min to heat the inner core, empty and fill with hot beverage. COLD up to 3 DAYS - Put iced water in your bottle and let set 30 min to cool inner core, empty and fill with cold beverage. ICE - When ice is added to a primed bottle ice will last up to 5 days!