The Water Pillow's Down Alternative pillow features our exclusive Responsive Support waterbase system. When combined with our new, exclusive Micro Denier Fiberfill comfort layer, you get a pillow of unsurpassed quality and performance. The down alternative floats on a thin layer of water for responsive support. The Water Pillow is clinically proven to reduce neck pain and improve quality of sleep. The Water Pillow is completely adjustable. Simply adjust the firmness of your pillow by adding (or removing) an amount water that provides the perfect level of support for you (soft, medium or firm). You won’t wake up multiple times every night to fluff and re-stuff your pillow because the Waterbase maintains the support by adjusting to your head motions. Material: Made with a fully sealed and insulated water pouch with Premium Micro Denier Fiberfill comfort layer on top, encased in a poly cotton sateen shell. Details: Jumbo size: 50.5 cm x 71 cm (20’”x 28”) Fits a standard or a queen pillowcase Weight: 1.4 kg (3.1 lbs.) 300 thread count cotton shel Hypoallergenic Machine wash and dry Features: Solid Colour Tone Waterbase Technology CombedLoft Fiber Recommended By Thousand of Health Professionals Customize Don't Compromise Best in Reduction of Neck Pain Best in Overall Quality of Sleep Set Includes: 2 x Standard Pillows - 50.5 x 71 cm Fabrication: Cover : 100% Cotton blend Fill: Polyester Care Instructions: Machine Washable See label for detailed instructions before first use. Box dimensions Weight (kg): 2.9 Length (cm): 40 Width (cm): 70 Height (cm): 15.0000