1. Material: 210D nylon hydrolysis resistant TPU coated cloth 2. Fabric characteristics: durable, resistant to seawater corrosion 3. Design: low pressure inflation or mouth blowing, explosion-proof valve to prevent excessive air pressure, lead block at the bottom 4. Function: Use diving in front of the water to warn ships sailing on the sea to avoid unnecessary danger 5. Weight: 1.2x15cm (340g), 1.2x18cm (360g), 1.5mx15cm (340g), 1.5mx18cm (400g), 1.8x15cm (390g), 1.8x18cm (450g)
