... . 3.High frequency welding technology, no glue. High quality swim ring/tube1. Eco-friendly PVC material phthalates free (6P)2. Photo ... high quality and competitive price, such as: boats, bouncers, swim ring, pools, toys, punching bags, aprons, cushions, neck pillows, air bed ... to 12 hours inspection, before packing. We also accept customer's bespoke design orders. We only use eco-friendly PVC,EVA ...