The Nuby wide spouts look like this out of the packaging. They have one notch on each side and a small slit in the middle of the spout:
This is how the Nuby wide replacement spout is sold. One to a package. Sealed package. 100% medical grade silicone. BUY THEM NOW at http://shop.nubysippycup.com in multiple selections.
The Nuby wide replacement spout fits this cup only:
Save our landfills by buying the Nuby wide replacement spouts instead. You can get two spouts for the cost of one Nuby sippy cup.
You can find other Nuby replacement spouts at: http://www.nubysippycup.com/ and on http://www.bonanzle.com/ and http://www.thefind.com/ for discounts and coupon codes.