The straws are from a company called Strawesome. They come in various sizes and range from plain to decorative. And... drum roll please... they have a lifetime warranty.
I have been reading reviews from several companies that sale glass straws as well as mom's from other blogs that use them. The only negative comments that I have found are from people that have not tried the products. So these are on my wish list.
Alternatives to Plastic Straws: