... , which is waterproof.3. Plastic materials: Nylon PA 664. 6" rubber front rubber wheels with shock absorber, ... freely, using quick release axletree5. Back wheels: 12’ rubber air wheels, using quick release axletree6. The seat ... wide range of baby products including baby strollers, baby bassinets, baby car seats, baby walkers, baby rockers, baby water closets, baby bathtubs, baby toys, highchairs, ...