I love my bkr water bottle! I initially used a smaller one, then upgraded to the full liter size. It's perfect for busy days at the office or super sweaty workout classes, because it holds more water than most bottles. It's all glass inside, so you know nothing creepy is leeching into your water. It's sturdy (never tips over) and pretty solid (the silicone sleeve protects the glass really well.) And it's super cute.
Just ordered the cap that fits a lip balm (because who doesn't need a lip balm with them at all times?!) - excited to try and will report back!