• Join the frankstersTM in their mission to make Planet Earth a greener place! Each frankster has their very own superpower, and together they’re here to help teach the next generation that every little action can make a monstrous difference.
• Comes with new extra durable, easy-to-use Flip Straw Lid
• Soft-feel silicone mouthpiece for comfort
• Fits in car, bike and pram standard size cup holders
• Unbreakable stainless steel base
• BPA free, made from FDA & EU approved safe materials