The American States where Stanley Cups are the most popular have been revealed in a new survey which also identified the brand’s leading competitors. Despite being a staple brand for decades, Stanley has taken the world by storm in recent months. This is largely down to TikTok, where the hashtag has accumulated over half a million videos. There are even dedicated fan pages on both Instagram and Facebook. Stanley is the winnerThe study, produced by Custom Ink, revealed key insights into the buying habits of the average American, with Stanely being the ultimate winner of water bottle brands. Thr…