With all the excitement this year over lead in toys and the leaching of BPA from plastic cups and bottles, I thought it might be time to give some alternative, non-leaching sippy cups a review here on TH. To pull it off properly I handed my requested samples over to a couple of local experts, my nephew Nick and niece Cailey. They gave models by both Sigg and Klean Kanteen the once over along with their mom Jodi without me around, and reported back with a kids-eye view....
Source: TreeHugger