64 oz container, open box, never used.

The item shown is a GrowlerWerks uKeg, a pressurized carbonated growler designed to keep beverages fresh and cold. Based on the packaging and visual details, this is the copper-plated model.

Key Features
Carbonation System: It features a regulator cap (VPR Cap) that automatically maintains pressure, which can be adjusted from 0 to 15 psi using a built-in gauge.
Insulation: The vessel is made of double-wall vacuum-insulated stainless steel to keep drinks cold for extended periods.
Dispensing: It includes a built-in tap with a handle for easy pouring and a tap lock for security.
Size Options: It is commonly available in 64 oz (half-gallon) and 128 oz (one-gallon) capacities.