Material: Premium food grade 18/8 stainless steel, BPA free.
Size: 25.3x6.5cm(10x2.6 inch).
Capacity: 16oz(480ml), liquids remain 6-12 hours.
Feature: Light and compact design takes up minimal space while maximizing capacity.
Function: Best for outdoors, hiking, camping, biking and other outdoor recreation. Also suitable as travel water bottles for kids, students and adults or office use.