This is exactly what I was looking for. My Manna bottle lid leaked from the time I bought my 2-bottle set from Costco, several years ago. Not terrible, but not safe when I tossed the bottle into my tote (I spend a lot of time in hospital waiting rooms, ERs, etc, and I always keep water in my tote), so I would keep a gallon-ziplock in there and keep the bottle verticle to protect my tablet, etc. Over the years, the seal on the bottle puts started giving way and water dripped on me when I drank, s...