How much water does the stainless steel water bottle hold? Administrator August 17, 2017 17:00 Follow The plastic water bottle holds 16-ounces of water. Related articles Stainless Steel Water Bottle My water bottle is spilling out the top. What do I do? Puritii Water Bottle & Filter Giving Greens Is it safe to boil the Puritii water bottle? Comments 0 comments Please sign in to leave a comment.