For those on-the-go, these water bottles tend to be the best for its functionality.
Stanley1913
Stanley Aerolight™ Transit
Aerolite™ Transit Bottle is a perfect companion to keep with you. It is aerolite (pun intended) and not stain steel heavy. Available in 16oz or 12oz
Yeti
Yeti Yonder
This is a go-to choice with its effortless style and functionality. Ranges in many oz selection but 20oz should be the perfect size.