Amazon offers the
Munchkin Miracle 360 10-oz. Sippy Cup 2-Pack in Green/Blue for $7.29. Clip the $3.90 off coupon on the product page to drop that to
$3.39. Plus, Prime members bag
free shipping. That's $3 below our mention from three days ago and the lowest price we've seen. (It's the best deal now by $4, although most stores charge at least $11.) Each cup is BPA-free and has a 360° drinking edge that automatically seals after the child stops drinking.