The twin that keeps you comfy! The Serta twin air bed combines the convenience of a raised height with exclusive neverFLAT pump technology. Set your comfort level (plush, medium or firm), and the neverFLAT system takes care of the rest! Internal sensors continuously monitor pressure throughout the night, and engage a silent secondary pump to maintain comfort - without waking you. Conviently packaged in a lightweight carry bag so you can effortlessly take your airbed and create a home away from home.