What I love: shape, no leak, color, easy to clean. Love holding it on my few-mile walks, the shape fits my hand super well (important bc of arthritic grip) and I love how it makes a perfect steel club, too. Not sure if it's bc I chose a darker color (royal blue) that water on a warm sunny day doesn't stay cold for even 5 mins. I mean not AT ALL. I could also use a larger capacity. Always empty before my walk is done. Nevertheless, I love this bottle shape and color and feel and seal and the 'steSee full review