The Non-inflatable Mambobaby Neck Float has gone water-resistant with more safety features to create the perfect new generation swim trainer for 2020. Our unique neck float utilizes the PearlFoam™ technology with high-quality Swimwear Fabric and TPU film wrap. No more dangerous Air leakage. Let your babies truly experience the benefits of swimming in a more safe way. No need for costly baby spas, enjoy your own home hydrotherapy spa sessions with Mambobaby neck float.