Insta-Bed Raised Air Mattress with Never Flat Pump, Twin Integrated NeverFlat pump technology: select desired comfort level, engage primary pump, and it shuts-off automatically at your chosen setting. Senors continuously monitor air pressure throughout the night, and a silent secondary pump engages automatically to maintain consistent firmness and comfort Raised 18" height makes getting in and out of bed easier Circular coil construction with vertical and horizontal reinforcement provides proven support and comfort Carry bag and repair kit included