Frank Green Winnie the Pooh Ceramic Reusable Bottle Review Leak-proof, vacuum-insulated, and an environmental hero, the Winnie the Pooh Ceramic Reusable Bottle will save you from saying “Oh, bother!” to leaks, luke-warm water, and plastic.
Is Frank Green leakproof?
Are Frank Green Cups Leak Proof / Spill Proof? Yes, the Frank Green award-winning lid design is constructed to be leak and spill-proof. It does require some disassembly to clean at times so make sure you've put it back together properly and test it afterwards.