New: 20.9 oz Easton by h2go. Stainless Steel Bottle. Theme: DUNE by Aristocrat casino gaming. Smooth Sipping: Keep it effortless with the 20.9 oz. Easton bottle from h2go. With double wall, professional grade 18/8 stainless steel and copper vacuum insulation, there’s no need to complicate things. The threaded, insulated lid keeps your beverages — whether hot or cold — exactly where you want them. 20.9 Ounces (620 ml): double wall 18/8 stainless steel thermal bottle with copper vacuum insulation Stainless Steel Lid: threaded and insulated Height: 9.875" Width: 2.875" Opening: 1.1" SPT: wide curved shoulder inner wall Superior Insulation: the copper plating on the inner wall is an extra line of defense against temperature transfer. Heat escapes much slower so your hot coffee stays hot even in a snow storm, and heat enters much slower so your ice water doesn't melt even under a blistering summer sun. On average, copper vacuum insulation can make a difference of up to 9°F (5°C) over the course of 24 hours SPT: