The 650 ml / 22 oz big swig jr. Is a double wall vacuum insulated stainless steel bottle made with pro-grade stainless steel. The durable powder coated finish gives the bottle a modern look and provides extra grip. The big swig jr. Is more compact and manageable than its bigger counterpart yet makes for the perfect on-the-go hydration companion whether youre running errands or hitting the gym. Filling and cleaning are simple with the wide mouth opening which sports a leak-proof, screw-on cap with spout, ensuring that your drinks stay contained.