My four-month-old prefers his Lansinoh seal teether because it is a more manageable size. He may grow into this one -- it seems like a good design since the bubbly parts are nice and cushiony, I would definitely chew on it if I were teething -- but it is too large for him to comfortably hold on to and the bubbly parts don't fit as comfortably in his mouth as his smaller teether does. I also like that it does not have BPA or other icky chemicals, which is something I always worry about with plastic items meant to go in mouths.
Pros
No BPA
Soft cushiony chew parts that you can make nice and cool in the fridge
