Comfortable design: Adjustable backrest, surface flocking material to adapt to the ambient temperature, to ensure the quality of sleep. Dimension: The mattress measures 77" x 38" x 34" and can hold 220 pounds.The air pump is suitable for 110V-220V power supply. Quick setup: It only takes three minutes of inflation to get a sofa bed that can withstand the harsh conditions of camping or serve as a temporary place for your friends to sleep. Indoor/Outdoor: This inflatable sofa bed can be used not only in the home, but also in camping, hiking and other Outdoor activities. Customer Service Guarantee: If you have any questions after receiving items, please contact us anytime, our experienced customer service team is ready to solve your problems. Twin Size Air Sofa Bed Mattress with Backrest and Pump,Blow Up Couch Inflatable Bed, Portable Comfort Flocked Blow Up Airbed,Adjustable Inflatable Sofa for Camping Tent Home Travel