capacity 12oz 0 4l just the right bite combining the patented camel bak big bite valve with a stem tube and shut off valve detachable one piece component is simple for kids to use and simple for parents to clean no tipping required just flip open the bite valve and sip easy to for small children to operate and carry dimensions 16x7cm no tip sip system spill proof bite valve simplified stem and straw are child safe yet easy to remove for cleaning bottle material is durabl