This popup paddle board features a waterproof fabric and transparent window, allowing for quick,easy, and safe deployment and folding when kayaking or paddling. It's convenient to take and mount to your kayak, and is great for beginner paddlers. Made of strong, durable waterproof fabric, it has a dimension of 106x106cm (42") when deployed, and 40 cm (16") when folded, with a net weight of 0.35kg (0.77lb).