From the product description, check product page for current description, price and availability:

• Durable, double walled, vacuum insulated 18/8 stainless steel design keeps beverages hot in the growler up to 41 hours and cold up to 76 hours
• BPA free construction adds peace of mind
• Textured grip is glove friendly, keeping hands warm and dry while you pour from the 64 ounce growler
• Double hinge tpu lid tether is flexible, preventing wear and tear
• Bolt on, high impact, full grip handle ensures you’ll never lose the cap