Signature Softness. All the Protection. None of the Waste. Charlie Banana's Reusable Swim Diapers come with Charlie Banana's 'Signature' softness, deliver a snug fit, are gentle on your baby's delicate skin, and help care for our planet. All Charlie Banana products are Climate Neutral Certified, and we are proud members of 1% For The Planet, so every purchase is a tiny investment in a greener, kinder world for your baby.