Customers say these adjustable pillows offer exceptional customization options with their unique multi-insert design. Many reviews mention the versatility of being able to remove or combine different layers to achieve their preferred firmness and height. The pillows maintain their shape well, with users noting they don't go flat like other options they've tried. Common feedback includes appreciation for how the pillows can be configured for different sleeping positions - side, back, or stomach. Many describe getting multiple pillows from the inserts, with some creating separate pillows from the individual components. Reviews frequently highlight the pillow's ability to stay fluffy and retain its form. While most users praise the adaptability, a few mention needing time to find their perfect configuration. The pillows receive particular appreciation for their versatility within households where sleepers have different preferences.