A folding mattress is a mattress that can be folded, often used for temporary sleeping or for guests, and is characterized by its ease of storage and portability. General specifications: - Foldable: It can be folded into halves or thirds to save space. - Lightweight: Easily transported from one room to another. - Practical and suitable for small spaces: Ideal for small apartments or trips. - Available in different sizes: Single, twin, and sometimes double. - Internal filling: Often made of compressed sponge or high-density foam to provide acceptable comfort.