If you go to the link, you will not see any mention of the case of 12. Instead, you have to click on "Other Sellers" and select Amazon as the seller. Then when you add it to your shopping cart, you will see the same price but instead will show a case of 12, instead of 4.
Here is a screenshot as well after you pick the correct seller and add it to your cart:
[IMG] http://i66.tinypic.com/kexduu.jpg[/IMG]
http://i66.tinypic.com/kexduu.jpg
Let the dog poop jokes begin!
https://www.amazon.com/BioBag-Was…dpSrc=src
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