CLINICALLY PROVEN: Our Water base technology has been clinically proven by an independent Johns Hopkins study to reduce neck pain and improve overall quality of sleep, bringing you the best night's sleep you have ever experienced | IDEAL FOR ALL SLEEPING POSITIONS: -If you are a side, back or stomach sleeper or switch in between - the water will move with your head, so you will never have to adjust or fluff this pillow | CUSTOMIZE TO YOUR COMFORT: Our Water based Pillow can be customized to your liking! Adjust the water level for make your pillow soft, medium, firm or even medium-firm | SUPERIOR MATERIAL: This pillow is made with a fully sealed and insulated water pouch with a resilient polyester fiber layer on top, encased in a 100% hypoallergenic cotton shell, providing exceptional comfort for the head | QUALITY CARE, MADE IN THE USA: We care about the quality of our products, & stand by the quality with our 3 Year Warranty and 30-day Satisfaction Guarantee - if you aren't happy within 30 days, we’ll take it back, no questions asked. To protect your pillow’s waterbag & to keep the quality of our pillows intact, we never vacuum pack or roll our pillows into small boxes to save on shipping | NO RISK TRIAL: Water creates a different sleeping sensation that provides superior comfort and support that so many people love! Give it a try, and don’t worry if it isn’t for you! We offer all our customers a risk-free, 30-day satisfaction