Futon mattress

Queen sized futon mattress (60” x 80”), approximately 5” thick. Off-white cotton cover with zipper. Cotton filling with a foam core. Firm feel. Lightly used in guest room (guests always told us they had great sleeps on this mattress). Good condition. Can go on floor or frame (frame not included). Currently stored in garage sealed in mattress bag to keep it clean. Perfect for student. Asking $50.00.