The Venice frosted glass bottles are the perfect hydration companions. They have a capacity of 670 ml or 22.6 fl, oz. and have a wide easy to drink mouth. The lid is made of bamboo, which is an eco friendly material. Also, the lid has a stainless steel inner to keep your water away from plastics. The protective and insulating color matched white sleeve is included with the bottle. Its all these features and more that make people say these may be the best yoga water bottles you can buy. They are also great for the gym, or school as well. Also, these bottles have a wide mouth that make them easy to drink from.