Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
A 16oz. double-wall insulated bottle with a removable base. You can turn it into a wide-mouthed goblet by removing its bottom cover and screwing it into the bottle’s narrow opening. That also makes it easier to clean than conventional bottles.