How much water does the stainless steel water bottle hold? Administrator March 12, 2020 17:37 Updated The plastic water bottle holds 16-ounces of water. Related articles My water bottle is spilling out the top. What do I do? Is it safe to boil the Puritii water bottle? Puritii Water Bottle & Filter What can I filter through my Puritii Water Filter? Comments 0 comments Please sign in to leave a comment.