This tumbler features double-wall vacuum insulation, keeping drinks cold for 12 hours or iced for 2 days. It includes a leak-resistant IceFlow flip straw, with 10% of the lid made from recycled fish nets. It is dishwasher safe and has an ergonomic, rotating handle for easy carrying. The price drops from $35 to $26.29. Shipping is free for prime members or on orders over $35.