My oldest is 4 years old and these are her favorite water cups & bottles. All three are stainless steel! The straws in each of them are BPA-free plastic. We hand wash the cups and lids, but put the straws and silicone pieces in the dishwasher Yeti Rambler Jr. — we use this one for preschool because it is engraved* with her name (no need for stickers!) and fits nicely in her back pack. It doesn’t leak! *when ordered directly from Yeti Stanley Quencher 14oz — this was in Savannah’s Easter basket when she was two! She likes to use this around the house since it keeps her ice cold. It will spill if knocked over. Owala Freesip 16oz — this is our her newest bottle and her favorite for on-the-go! She likes the spout better than the Yeti and chooses to take this one to T-ball practice or in the car. It doesn’t leak! LTKSaleAlert LTKTravel LTKKids