Air mattress, which is a type of inflatable bed. Air mattresses are typically made of polyvinyl chloride (PVC), rubber, or urethane plastic. They are designed to provide a comfortable sleeping be used for camping, as guest beds, or for individuals with li sizes, including single, twin, and queen. Some models have built-in pumps for easy inflation, while others require an external pump. They can support a significant amount of weight, often up to 600kg.