Product size about : 45*35*6cm/17.7*13.7*2.3in ,Thickness: 5.5cm/2.1in Product color: As shown in the figure Product material: EVA product features: Instant Buoyancy Response: The air cushion is designed with ultra-high buoyancy to quickly stabilize people in distress, providing critical support when people fall into the water or suddenly sink. It ensures that you stay afloat in an emergency and is an essential safety equipment for boating, swimming and rescue. Special Material: Made of tear-resistant, waterproof and UV-resistant materials, it can ensure long-term reliable operation even under continuous exposure to sunlight, sea water or rough handling. Safety Harness Design: The integrated heavy-duty safety harness allows for precise casting, easy connection to the boat rail or rapid recovery, thereby enhancing safety in high-pressure rescue scenarios. This safety harness ensures that the device is always within reach and easy to use in an emergency. Compact: This space-saving device is designed to meet strict maritime regulations, ensuring compliance with legal regulations while easily integrating into the safety equipment of any vessel. Multi-purpose: In addition to boating, it can also serve as an important flotation aid for swimmers, lifeguards or seaside activities, ensuring that you are prepared for all water adventures. It is a versatile and essential safety equipment to ensure your safety on the water. ​Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc EVA water floating board