A "pack and play" is a portable playpen designed for infants and toddlers. It typically features a soft mattress and mesh sides for ventilation, making it a safe space for children to play or sleep. Many models are lightweight and fold easily, allowing for convenient transport and storage. These versatile products are often used by parents at home or while traveling. Some pack and plays come with additional features, such as changing tables or storage compartments, enhancing their functionality. They provide a secure environment for children, giving parents peace of mind while they attend to other tasks.