Adjustable Base STANDARD, with HighFloat Memory Foam Enhanced Mattress Combo (Twin, 12 Inches) Sleep in comfort by customizing your sleep position Relieve pressure points by adjusting to the proper position for your body to go to sleep Read, watch TV, use your laptop or tablet, without having to stack up pillows and blankets Fits within frame of standard-sized bed furniture and bedding sets Made in the USA, free shipping