Twin-sized inflatable mattress perfect for the rugged outdoors, but also handy around the house Soft flocked top provides a luxurious sleeping surface. Age Grading: Adult Hand-Held Battery Pump – Operates on 6 “C” Cell Batteries (not included) 300-pound weight capacity; 3-in-1 valve with extra-wide opening Measures 39 by 8. 75 by 75 inches (WxHxD); folds compactly for storage