Definitely purchase if you buy the OXO Tot Sippy Cup!
These are the perfect accessory for the OXO Tot Transitions Soft Spout Sippy Cup. The brushes get in all the small spaces (like in the straws and spouts).
ProsLove the convenient ring that you can store them on (keeps from going down the disposal!)
Best UsesCleaning the OXO Tot Transitions Soft Spout Sippy Cup