One Kings Lane, which is another one of these One Deal a Day buying sites, has Sigg Water Bottles from $12 to $15 for today only. When you register with them, you automatically get a $15 credit in your account which can also be used toward shipping. So, after your credit, you can score these Sigg bottles for $4.95 – $6.95 shipped. You can head over here to check it out.
The links in the post above may be affiliate links. Read the full disclosure.