The First Years Gripper SipperThis two-piece cup has no removable valve, which makes it a cinch to wash and assemble. Plus, the spout has a spillproof opening.To buy: $8 for two, diapers.com.
Contigo Autoseal Kids Trekker Cup
It looks like Mom's coffee mug—perfect for the post-sippy crowd. Hold down the big button and a drinking slot opens. Let go and it shuts. (Also comes in four other colors or stainless steel.)
To buy: $12 for two, drugstore.com.
Zoli Baby BotThe bottom of the straw is flexible and weighted; it rolls around to get that laaast sip, even when your child tips the cup.To buy: $12, diapers.com.
Playtex First Sipster CupAll the Playtex cups tested, from beginner sippies to insulated straw cups, were a hit. The tops click into place, and the one-piece valves are easy to clean.To buy: $5, amazon.com.
Foogo Insulated Straw BottleMilk stays chilled in this stainless-steel thermos. Push the button and the lid pops open. "It's great for toddlers just past the bottle stage," said one tester.To buy: $17, thermos.com.