Mason Jar Kids Cup

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Turn a simple mason jar into a safe kids cup. Totally BPA-free,
environmentally friendly and educational, the EIO Kids Cup combines
good old-fashioned values with modern style and convenience. Starting
with genuine, durable glass, EIO’s unique design offers unmatched
versatility, training, and health benefits. Plus, it’s safe, fun, and
easy to use!
http://www.eiokidscup.com

Via http://blogs.babble.com/