With isocool polyester pillows, you're always sleeping on "the cooler side." These pillows help create a sleep experience that is calm, cool, and comfortable. Each pillow is filled with polyester fiber and features a 300-thread-count 100% cotton cover. The cover's outlast adaptive comfort material self-adjusts to your body's changing temperature, which helps prevent tossing and turning throughout the night. Ideal for back and stomach sleepers. These pillows are machine-washable for easy care. Includes (2) pillows Ideal for back and stomach sleepers The 300-thread-count 100% cotton cover features outlast adaptive comfort material, which self-adjusts to your body's changing temperature Filled with polyester fiber Manufactured in the usa with domestic and imported materials 3-year limited warranty isocool is a trademark of carpenter co.; outlast adaptive comfort are registered trademarks of outlast technologies inc. Features: Cooling, Temperature Regulating, Removable Cover Sleeping Position: Back, Stomach Thread Count: 300 Fill Weight: 20 oz. of Fill Pillow Size: Standard/Queen Measurements: 5 Depth/Inches, 28 Width/Inches, 20 Length/Inches Base Material: 100% Polyester Filling Content: 100% Polyester Comfort Type: Medium Density Care: Machine Wash Pillow Type: Bed Pillows Country of Origin: Made in US