★This bed is "customer assembled furniture"★ For "customer-assembled furniture," we ask that customers unpack, assemble, and install the product themselves. Semi-double bed with storage and excellent breathability A new common knowledge: breathable flooring that protects futons and mattresses from mold Lets air in but keeps dust out. That's "Prostor" ・Point 1: High breathability prevents mold This causes dust mites and mold to grow because there is no place for moisture to escape. It is not uncommon to find futons or mattresses covered in mold when you turn them over. The slatted structure allows moisture to escape from the futon and mattress, but the surface fabric prevents dust from entering the storage area. You can keep your luggage and futon clean. Folding bed, semi-double, excellent ventilation, shelf, outlet, thin standard bonnell coil mattress, vertical opening, semi-double, regular depth