Zinus Traveler Premier Folding Twin Guest Bed, Plus Bonus Storage Bag 38" twin-size folding guest bed with metal grid design prevents the 4" foam mattress from sagging Folds in half for easy storage; soft poy jacquard cover is removable and washable; 14" of space underneath the frame for small luggage storage Storage bag included 4" foam mattress Measures 38 Inch wide by 75" long